92090857 has 2 divisors, whose sum is σ = 92090858. Its totient is φ = 92090856.

The previous prime is 92090807. The next prime is 92090861. The reversal of 92090857 is 75809029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86044176 + 6046681 = 9276^2 + 2459^2 .

It is an emirp because it is prime and its reverse (75809029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 92090857 - 2⁷ = 92090729 is a prime.

It is not a weakly prime, because it can be changed into another prime (92090807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46045428 + 46045429.

It is an arithmetic number, because the mean of its divisors is an integer number (46045429).

Almost surely, 2^92090857 is an apocalyptic number.

It is an amenable number.

92090857 is a deficient number, since it is larger than the sum of its proper divisors (1).

92090857 is an equidigital number, since it uses as much as digits as its factorization.

92090857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 92090857 is about 9596.3981263805. The cubic root of 92090857 is about 451.5843037017.

The spelling of 92090857 in words is "ninety-two million, ninety thousand, eight hundred fifty-seven".