86363578191 has 16 divisors (see below), whose sum is σ = 125672359680. Its totient is φ = 52319641920.

The previous prime is 86363578183. The next prime is 86363578193. The reversal of 86363578191 is 19187536368.

It is not a de Polignac number, because 86363578191 - 2³ = 86363578183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86363578193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467851 + ... + 625788.

It is an arithmetic number, because the mean of its divisors is an integer number (7854522480).

Almost surely, 2^86363578191 is an apocalyptic number.

86363578191 is a deficient number, since it is larger than the sum of its proper divisors (39308781489).

86363578191 is a wasteful number, since it uses less digits than its factorization.

86363578191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096046.

The product of its digits is 6531840, while the sum is 57.

The spelling of 86363578191 in words is "eighty-six billion, three hundred sixty-three million, five hundred seventy-eight thousand, one hundred ninety-one".