86177601438 has 64 divisors (see below), whose sum is σ = 181115827200. Its totient is φ = 27305187840.

The previous prime is 86177601403. The next prime is 86177601443. The reversal of 86177601438 is 83410677168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4316443 + ... + 4336361.

It is an arithmetic number, because the mean of its divisors is an integer number (2829934800).

Almost surely, 2^86177601438 is an apocalyptic number.

86177601438 is an abundant number, since it is smaller than the sum of its proper divisors (94938225762).

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

86177601438 is a wasteful number, since it uses less digits than its factorization.

86177601438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20417.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 86177601438 in words is "eighty-six billion, one hundred seventy-seven million, six hundred one thousand, four hundred thirty-eight".