86256170472428 has 48 divisors (see below), whose sum is σ = 167198499336960. Its totient is φ = 38609787048000.

The previous prime is 86256170472383. The next prime is 86256170472457. The reversal of 86256170472428 is 82427407165268.

It is a happy 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, 52352723 + ... + 53975178.

It is an arithmetic number, because the mean of its divisors is an integer number (3483302069520).

Almost surely, 2^{86256170472428} is an apocalyptic number.

It is an amenable number.

86256170472428 is a deficient number, since it is larger than the sum of its proper divisors (80942328864532).

86256170472428 is a wasteful number, since it uses less digits than its factorization.

86256170472428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106328198 (or 106328196 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 62.

The spelling of 86256170472428 in words is "eighty-six trillion, two hundred fifty-six billion, one hundred seventy million, four hundred seventy-two thousand, four hundred twenty-eight".