38075722686 has 24 divisors (see below), whose sum is σ = 84053955960. Its totient is φ = 12452437296.

The previous prime is 38075722679. The next prime is 38075722717. The reversal of 38075722686 is 68622757083.

38075722686 is a `hidden beast` number, since 3 + 8 + 0 + 7 + 572 + 2 + 68 + 6 = 666.

It is a super-2 number, since 2×38075722686² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19954876 + ... + 19956783.

It is an arithmetic number, because the mean of its divisors is an integer number (3502248165).

Almost surely, 2^38075722686 is an apocalyptic number.

38075722686 is an abundant number, since it is smaller than the sum of its proper divisors (45978233274).

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

38075722686 is a wasteful number, since it uses less digits than its factorization.

38075722686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39911720 (or 39911717 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

It can be divided in two parts, 38075 and 722686, that added together give a triangular number (760761 = T₁₂₃₃).

The spelling of 38075722686 in words is "thirty-eight billion, seventy-five million, seven hundred twenty-two thousand, six hundred eighty-six".