99892057 has 2 divisors, whose sum is σ = 99892058. Its totient is φ = 99892056.

The previous prime is 99892021. The next prime is 99892073. The reversal of 99892057 is 75029899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98327056 + 1565001 = 9916^2 + 1251^2 .

It is a cyclic number.

It is not a de Polignac number, because 99892057 - 2¹⁵ = 99859289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99892057.

It is not a weakly prime, because it can be changed into another prime (99892007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49946028 + 49946029.

It is an arithmetic number, because the mean of its divisors is an integer number (49946029).

Almost surely, 2^99892057 is an apocalyptic number.

It is an amenable number.

99892057 is a deficient number, since it is larger than the sum of its proper divisors (1).

99892057 is an equidigital number, since it uses as much as digits as its factorization.

99892057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 99892057 is about 9994.6013927520. The cubic root of 99892057 is about 463.9918142259.

The spelling of 99892057 in words is "ninety-nine million, eight hundred ninety-two thousand, fifty-seven".