86087706877 has 2 divisors, whose sum is σ = 86087706878. Its totient is φ = 86087706876.

The previous prime is 86087706857. The next prime is 86087706941. The reversal of 86087706877 is 77860778068.

It is an a-pointer prime, because the next prime (86087706941) can be obtained adding 86087706877 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57015410841 + 29072296036 = 238779^2 + 170506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86087706877 is a prime.

It is a super-2 number, since 2×86087706877² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86087706857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43043853438 + 43043853439.

It is an arithmetic number, because the mean of its divisors is an integer number (43043853439).

Almost surely, 2^86087706877 is an apocalyptic number.

It is an amenable number.

86087706877 is a deficient number, since it is larger than the sum of its proper divisors (1).

86087706877 is an equidigital number, since it uses as much as digits as its factorization.

86087706877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44255232, while the sum is 64.

The spelling of 86087706877 in words is "eighty-six billion, eighty-seven million, seven hundred six thousand, eight hundred seventy-seven".