86477087929 has 2 divisors, whose sum is σ = 86477087930. Its totient is φ = 86477087928.

The previous prime is 86477087903. The next prime is 86477087971. The reversal of 86477087929 is 92978077468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71796130704 + 14680957225 = 267948^2 + 121165^2 .

It is a cyclic number.

It is not a de Polignac number, because 86477087929 - 2¹⁷ = 86476956857 is a prime.

It is not a weakly prime, because it can be changed into another prime (86477087989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43238543964 + 43238543965.

It is an arithmetic number, because the mean of its divisors is an integer number (43238543965).

Almost surely, 2^86477087929 is an apocalyptic number.

It is an amenable number.

86477087929 is a deficient number, since it is larger than the sum of its proper divisors (1).

86477087929 is an equidigital number, since it uses as much as digits as its factorization.

86477087929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85349376, while the sum is 67.

The spelling of 86477087929 in words is "eighty-six billion, four hundred seventy-seven million, eighty-seven thousand, nine hundred twenty-nine".