92131564477 has 2 divisors, whose sum is σ = 92131564478. Its totient is φ = 92131564476.

The previous prime is 92131564457. The next prime is 92131564501. The reversal of 92131564477 is 77446513129.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59695194276 + 32436370201 = 244326^2 + 180101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92131564477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 92131564477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92131564457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46065782238 + 46065782239.

It is an arithmetic number, because the mean of its divisors is an integer number (46065782239).

Almost surely, 2^92131564477 is an apocalyptic number.

It is an amenable number.

92131564477 is a deficient number, since it is larger than the sum of its proper divisors (1).

92131564477 is an equidigital number, since it uses as much as digits as its factorization.

92131564477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The spelling of 92131564477 in words is "ninety-two billion, one hundred thirty-one million, five hundred sixty-four thousand, four hundred seventy-seven".