86231962073 has 2 divisors, whose sum is σ = 86231962074. Its totient is φ = 86231962072.

The previous prime is 86231962021. The next prime is 86231962093. The reversal of 86231962073 is 37026913268.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52738203904 + 33493758169 = 229648^2 + 183013^2 .

It is a cyclic number.

It is not a de Polignac number, because 86231962073 - 2²⁸ = 85963526617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (86231962013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43115981036 + 43115981037.

It is an arithmetic number, because the mean of its divisors is an integer number (43115981037).

Almost surely, 2^86231962073 is an apocalyptic number.

It is an amenable number.

86231962073 is a deficient number, since it is larger than the sum of its proper divisors (1).

86231962073 is an equidigital number, since it uses as much as digits as its factorization.

86231962073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 86231962073 in words is "eighty-six billion, two hundred thirty-one million, nine hundred sixty-two thousand, seventy-three".