38121665876 has 48 divisors (see below), whose sum is σ = 76636224000. Its totient is φ = 16253883360.

The previous prime is 38121665851. The next prime is 38121665893. The reversal of 38121665876 is 67856612183.

It is a super-2 number, since 2×38121665876² (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 15 ways as a sum of consecutive naturals, for example, 4620611 + ... + 4628853.

It is an arithmetic number, because the mean of its divisors is an integer number (1596588000).

Almost surely, 2^38121665876 is an apocalyptic number.

It is an amenable number.

38121665876 is an abundant number, since it is smaller than the sum of its proper divisors (38514558124).

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

38121665876 is a wasteful number, since it uses less digits than its factorization.

38121665876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9084 (or 9082 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The spelling of 38121665876 in words is "thirty-eight billion, one hundred twenty-one million, six hundred sixty-five thousand, eight hundred seventy-six".