2147738976 has 96 divisors (see below), whose sum is σ = 6341781600. Its totient is φ = 715889664.

The previous prime is 2147738953. The next prime is 2147739029. The reversal of 2147738976 is 6798377412.

2147738976 is a `hidden beast` number, since 21 + 477 + 3 + 89 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×2147738976² = 9225565418059057152, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54640 + ... + 85328.

It is an arithmetic number, because the mean of its divisors is an integer number (66060225).

Almost surely, 2^2147738976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147738976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3170890800).

2147738976 is an abundant number, since it is smaller than the sum of its proper divisors (4194042624).

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

2147738976 is an frugal number, since it uses more digits than its factorization.

2147738976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30720 (or 30694 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 2147738976 is about 46343.7048152174. The cubic root of 2147738976 is about 1290.2102848107.

The spelling of 2147738976 in words is "two billion, one hundred forty-seven million, seven hundred thirty-eight thousand, nine hundred seventy-six".