86558042468 has 6 divisors (see below), whose sum is σ = 151476574326. Its totient is φ = 43279021232.

The previous prime is 86558042453. The next prime is 86558042477. The reversal of 86558042468 is 86424085568.

It can be written as a sum of positive squares in only one way, i.e., 57201332224 + 29356710244 = 239168^2 + 171338^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10819755305 + ... + 10819755312.

It is an arithmetic number, because the mean of its divisors is an integer number (25246095721).

Almost surely, 2^86558042468 is an apocalyptic number.

It is an amenable number.

86558042468 is a deficient number, since it is larger than the sum of its proper divisors (64918531858).

86558042468 is a wasteful number, since it uses less digits than its factorization.

86558042468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21639510621 (or 21639510619 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 56.

The spelling of 86558042468 in words is "eighty-six billion, five hundred fifty-eight million, forty-two thousand, four hundred sixty-eight".