86815058694 has 32 divisors (see below), whose sum is σ = 213698607360. Its totient is φ = 22896279072.

The previous prime is 86815058639. The next prime is 86815058699. The reversal of 86815058694 is 49685051868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86815058699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79500424 + ... + 79501515.

It is an arithmetic number, because the mean of its divisors is an integer number (6678081480).

Almost surely, 2^86815058694 is an apocalyptic number.

86815058694 is an abundant number, since it is smaller than the sum of its proper divisors (126883548666).

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

86815058694 is a wasteful number, since it uses less digits than its factorization.

86815058694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159001964.

The product of its (nonzero) digits is 16588800, while the sum is 60.

The spelling of 86815058694 in words is "eighty-six billion, eight hundred fifteen million, fifty-eight thousand, six hundred ninety-four".