38797078520 has 32 divisors (see below), whose sum is σ = 89323510320. Its totient is φ = 15157927680.

The previous prime is 38797078511. The next prime is 38797078561. The reversal of 38797078520 is 2587079783.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11276501 + ... + 11279940.

Almost surely, 2^38797078520 is an apocalyptic number.

It is an amenable number.

38797078520 is an abundant number, since it is smaller than the sum of its proper divisors (50526431800).

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

38797078520 is a wasteful number, since it uses less digits than its factorization.

38797078520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22556495 (or 22556491 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 38797078520 in words is "thirty-eight billion, seven hundred ninety-seven million, seventy-eight thousand, five hundred twenty".