2147789952 has 384 divisors, whose sum is σ = 8051227200. Its totient is φ = 557383680.

The previous prime is 2147789927. The next prime is 2147789993. The reversal of 2147789952 is 2599877412.

2147789952 is a `hidden beast` number, since 2 + 1 + 477 + 89 + 95 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×2147789952² = 9226003355824324608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (2540160) is a multiple of the sum of its prime divisors (1176).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1862208 + ... + 1863360.

Almost surely, 2^2147789952 is an apocalyptic number.

2147789952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147789952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4025613600).

2147789952 is an abundant number, since it is smaller than the sum of its proper divisors (5903437248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2147789952 is a wasteful number, since it uses less digits than its factorization.

2147789952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201 (or 1176 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 2147789952 is about 46344.2547895637. The cubic root of 2147789952 is about 1290.2204923266.

The spelling of 2147789952 in words is "two billion, one hundred forty-seven million, seven hundred eighty-nine thousand, nine hundred fifty-two".