86138469934 has 16 divisors (see below), whose sum is σ = 141621895296. Its totient is φ = 38968284600.

The previous prime is 86138469919. The next prime is 86138469947. The reversal of 86138469934 is 43996483168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9273522 + ... + 9282805.

It is an arithmetic number, because the mean of its divisors is an integer number (8851368456).

Almost surely, 2^86138469934 is an apocalyptic number.

86138469934 is a deficient number, since it is larger than the sum of its proper divisors (55483425362).

86138469934 is a wasteful number, since it uses less digits than its factorization.

86138469934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18556551.

The product of its digits is 26873856, while the sum is 61.

The spelling of 86138469934 in words is "eighty-six billion, one hundred thirty-eight million, four hundred sixty-nine thousand, nine hundred thirty-four".