83878653885164 has 24 divisors (see below), whose sum is σ = 154514998491840. Its totient is φ = 39731559707664.

The previous prime is 83878653885137. The next prime is 83878653885217. The reversal of 83878653885164 is 46158835687838.

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, 1022447 + ... + 12992409.

It is an arithmetic number, because the mean of its divisors is an integer number (6438124937160).

Almost surely, 2^{83878653885164} is an apocalyptic number.

It is an amenable number.

83878653885164 is a deficient number, since it is larger than the sum of its proper divisors (70636344606676).

83878653885164 is a wasteful number, since it uses less digits than its factorization.

83878653885164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12062189 (or 12062187 counting only the distinct ones).

The product of its digits is 7431782400, while the sum is 80.

The spelling of 83878653885164 in words is "eighty-three trillion, eight hundred seventy-eight billion, six hundred fifty-three million, eight hundred eighty-five thousand, one hundred sixty-four".