86570868501 has 32 divisors (see below), whose sum is σ = 138819985920. Its totient is φ = 53003909952.

The previous prime is 86570868499. The next prime is 86570868529. The reversal of 86570868501 is 10586807568.

86570868501 is a `hidden beast` number, since 8 + 6 + 5 + 70 + 8 + 68 + 501 = 666.

It is not a de Polignac number, because 86570868501 - 2¹ = 86570868499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86570868001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556845 + ... + 695138.

It is an arithmetic number, because the mean of its divisors is an integer number (4338124560).

Almost surely, 2^86570868501 is an apocalyptic number.

It is an amenable number.

86570868501 is a deficient number, since it is larger than the sum of its proper divisors (52249117419).

86570868501 is a wasteful number, since it uses less digits than its factorization.

86570868501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252202 (or 1252196 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 86570868501 in words is "eighty-six billion, five hundred seventy million, eight hundred sixty-eight thousand, five hundred one".