86558878057 has 2 divisors, whose sum is σ = 86558878058. Its totient is φ = 86558878056.

The previous prime is 86558878033. The next prime is 86558878103. The reversal of 86558878057 is 75087885568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86262039616 + 296838441 = 293704^2 + 17229^2 .

It is a cyclic number.

It is not a de Polignac number, because 86558878057 - 2⁷ = 86558877929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86558877983 and 86558878001.

It is not a weakly prime, because it can be changed into another prime (86558875057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43279439028 + 43279439029.

It is an arithmetic number, because the mean of its divisors is an integer number (43279439029).

Almost surely, 2^86558878057 is an apocalyptic number.

It is an amenable number.

86558878057 is a deficient number, since it is larger than the sum of its proper divisors (1).

86558878057 is an equidigital number, since it uses as much as digits as its factorization.

86558878057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528000, while the sum is 67.

The spelling of 86558878057 in words is "eighty-six billion, five hundred fifty-eight million, eight hundred seventy-eight thousand, fifty-seven".