1979545752 has 96 divisors (see below), whose sum is σ = 5430700080. Its totient is φ = 651356160.

The previous prime is 1979545727. The next prime is 1979545759. The reversal of 1979545752 is 2575459791.

It is a happy number.

1979545752 is a `hidden beast` number, since 1 + 97 + 9 + 545 + 7 + 5 + 2 = 666.

It is a super-2 number, since 2×1979545752² = 7837202768522491008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979545759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3799252 + ... + 3799772.

Almost surely, 2^1979545752 is an apocalyptic number.

1979545752 is a gapful number since it is divisible by the number (12) 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 1979545752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2715350040).

1979545752 is an abundant number, since it is smaller than the sum of its proper divisors (3451154328).

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

1979545752 is a wasteful number, since it uses less digits than its factorization.

1979545752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1106 counting only the distinct ones).

The product of its digits is 3969000, while the sum is 54.

The square root of 1979545752 is about 44492.0863974707. The cubic root of 1979545752 is about 1255.6112009425.

The spelling of 1979545752 in words is "one billion, nine hundred seventy-nine million, five hundred forty-five thousand, seven hundred fifty-two".