38890170712 has 8 divisors (see below), whose sum is σ = 72919070100. Its totient is φ = 19445085352.

The previous prime is 38890170707. The next prime is 38890170731. The reversal of 38890170712 is 21707109883.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2430635662 + ... + 2430635677.

Almost surely, 2^38890170712 is an apocalyptic number.

It is an amenable number.

38890170712 is a deficient number, since it is larger than the sum of its proper divisors (34028899388).

38890170712 is a wasteful number, since it uses less digits than its factorization.

38890170712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861271345 (or 4861271341 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 38890170712 in words is "thirty-eight billion, eight hundred ninety million, one hundred seventy thousand, seven hundred twelve".