86845046877 has 12 divisors (see below), whose sum is σ = 125448661884. Its totient is φ = 57894013440.

The previous prime is 86845046867. The next prime is 86845046887. The reversal of 86845046877 is 77864054868.

86845046877 is a `hidden beast` number, since 8 + 68 + 4 + 504 + 68 + 7 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (86845046867) and next prime (86845046887).

It can be written as a sum of positive squares in 2 ways, for example, as 61884522756 + 24960524121 = 248766^2 + 157989^2 .

It is not a de Polignac number, because 86845046877 - 2⁴ = 86845046861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86845046867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7858 + ... + 416835.

It is an arithmetic number, because the mean of its divisors is an integer number (10454055157).

Almost surely, 2^86845046877 is an apocalyptic number.

It is an amenable number.

86845046877 is a deficient number, since it is larger than the sum of its proper divisors (38603615007).

86845046877 is a wasteful number, since it uses less digits than its factorization.

86845046877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447420 (or 447417 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 63.

The spelling of 86845046877 in words is "eighty-six billion, eight hundred forty-five million, forty-six thousand, eight hundred seventy-seven".