37992668688 has 120 divisors (see below), whose sum is σ = 121241411928. Its totient is φ = 11002392576.

The previous prime is 37992668687. The next prime is 37992668731. The reversal of 37992668688 is 88686629973.

It can be written as a sum of positive squares in 4 ways, for example, as 9692008704 + 28300659984 = 98448^2 + 168228^2 .

It is a super-2 number, since 2×37992668688² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (37992668687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565095 + ... + 628742.

Almost surely, 2^37992668688 is an apocalyptic number.

It is an amenable number.

37992668688 is an abundant number, since it is smaller than the sum of its proper divisors (83248743240).

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

37992668688 is a wasteful number, since it uses less digits than its factorization.

37992668688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193881 (or 1193872 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 72.

The spelling of 37992668688 in words is "thirty-seven billion, nine hundred ninety-two million, six hundred sixty-eight thousand, six hundred eighty-eight".