99077939 has 2 divisors, whose sum is σ = 99077940. Its totient is φ = 99077938.

The previous prime is 99077917. The next prime is 99077987. The reversal of 99077939 is 93977099.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99077939 - 2²⁰ = 98029363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99077639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49538969 + 49538970.

It is an arithmetic number, because the mean of its divisors is an integer number (49538970).

Almost surely, 2^99077939 is an apocalyptic number.

99077939 is a deficient number, since it is larger than the sum of its proper divisors (1).

99077939 is an equidigital number, since it uses as much as digits as its factorization.

99077939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 964467, while the sum is 53.

The square root of 99077939 is about 9953.7901826390. The cubic root of 99077939 is about 462.7278666779.

The spelling of 99077939 in words is "ninety-nine million, seventy-seven thousand, nine hundred thirty-nine".