86877555057 has 12 divisors (see below), whose sum is σ = 125802749124. Its totient is φ = 57773932800.

The previous prime is 86877555053. The next prime is 86877555059. The reversal of 86877555057 is 75055577868.

86877555057 is a `hidden beast` number, since 8 + 6 + 8 + 7 + 75 + 550 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 79867846881 + 7009708176 = 282609^2 + 83724^2 .

It is not a de Polignac number, because 86877555057 - 2² = 86877555053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86877554985 and 86877555003.

It is not an unprimeable number, because it can be changed into a prime (86877555053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12032628 + ... + 12039845.

It is an arithmetic number, because the mean of its divisors is an integer number (10483562427).

Almost surely, 2^86877555057 is an apocalyptic number.

It is an amenable number.

86877555057 is a deficient number, since it is larger than the sum of its proper divisors (38925194067).

86877555057 is a wasteful number, since it uses less digits than its factorization.

86877555057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24072880 (or 24072877 counting only the distinct ones).

The product of its (nonzero) digits is 82320000, while the sum is 63.

The spelling of 86877555057 in words is "eighty-six billion, eight hundred seventy-seven million, five hundred fifty-five thousand, fifty-seven".