86642115802 has 16 divisors (see below), whose sum is σ = 149240008800. Its totient is φ = 37310001840.

The previous prime is 86642115787. The next prime is 86642115809. The reversal of 86642115802 is 20851124668.

It is not an unprimeable number, because it can be changed into a prime (86642115809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103638477 + ... + 103639312.

It is an arithmetic number, because the mean of its divisors is an integer number (9327500550).

Almost surely, 2^86642115802 is an apocalyptic number.

86642115802 is a deficient number, since it is larger than the sum of its proper divisors (62597892998).

86642115802 is a wasteful number, since it uses less digits than its factorization.

86642115802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207277821.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 86642115802 in words is "eighty-six billion, six hundred forty-two million, one hundred fifteen thousand, eight hundred two".