85863966936858 has 48 divisors (see below), whose sum is σ = 205809662140992. Its totient is φ = 25652913720000.

The previous prime is 85863966936821. The next prime is 85863966936863.

85863966936858 is a `hidden beast` number, since 8 + 5 + 86 + 396 + 6 + 93 + 6 + 8 + 58 = 666.

85863966936858 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3053904243 + ... + 3053932358.

It is an arithmetic number, because the mean of its divisors is an integer number (4287701294604).

Almost surely, 2^{85863966936858} is an apocalyptic number.

85863966936858 is an abundant number, since it is smaller than the sum of its proper divisors (119945695204134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85863966936858 is a wasteful number, since it uses less digits than its factorization.

85863966936858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107836691 (or 6107836688 counting only the distinct ones).

The product of its digits is 96745881600, while the sum is 90.

The spelling of 85863966936858 in words is "eighty-five trillion, eight hundred sixty-three billion, nine hundred sixty-six million, nine hundred thirty-six thousand, eight hundred fifty-eight".