86215177370 has 32 divisors (see below), whose sum is σ = 178984080000. Its totient is φ = 29288298816.

The previous prime is 86215177369. The next prime is 86215177397. The reversal of 86215177370 is 7377151268.

It is a Curzon 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, 5642120 + ... + 5657379.

It is an arithmetic number, because the mean of its divisors is an integer number (5593252500).

Almost surely, 2^86215177370 is an apocalyptic number.

86215177370 is an abundant number, since it is smaller than the sum of its proper divisors (92768902630).

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

86215177370 is a wasteful number, since it uses less digits than its factorization.

86215177370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11299622.

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 86215177370 in words is "eighty-six billion, two hundred fifteen million, one hundred seventy-seven thousand, three hundred seventy".