86624778010138 has 16 divisors (see below), whose sum is σ = 132959917053216. Its totient is φ = 42304820135760.

The previous prime is 86624778010091. The next prime is 86624778010151. The reversal of 86624778010138 is 83101087742668.

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, 8658745 + ... + 15755107.

It is an arithmetic number, because the mean of its divisors is an integer number (8309994815826).

Almost surely, 2^{86624778010138} is an apocalyptic number.

86624778010138 is a deficient number, since it is larger than the sum of its proper divisors (46335139043078).

86624778010138 is a wasteful number, since it uses less digits than its factorization.

86624778010138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238349.

The product of its (nonzero) digits is 21676032, while the sum is 61.

The spelling of 86624778010138 in words is "eighty-six trillion, six hundred twenty-four billion, seven hundred seventy-eight million, ten thousand, one hundred thirty-eight".