99057407 has 2 divisors, whose sum is σ = 99057408. Its totient is φ = 99057406.

The previous prime is 99057397. The next prime is 99057433. The reversal of 99057407 is 70475099.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (70475099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99057407 - 2⁸ = 99057151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99057457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49528703 + 49528704.

It is an arithmetic number, because the mean of its divisors is an integer number (49528704).

Almost surely, 2^99057407 is an apocalyptic number.

99057407 is a deficient number, since it is larger than the sum of its proper divisors (1).

99057407 is an equidigital number, since it uses as much as digits as its factorization.

99057407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 99057407 is about 9952.7587632776. The cubic root of 99057407 is about 462.6959006485.

The spelling of 99057407 in words is "ninety-nine million, fifty-seven thousand, four hundred seven".