99085913 has 2 divisors, whose sum is σ = 99085914. Its totient is φ = 99085912.

The previous prime is 99085901. The next prime is 99085919. The reversal of 99085913 is 31958099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69839449 + 29246464 = 8357^2 + 5408^2 .

It is a cyclic number.

It is not a de Polignac number, because 99085913 - 2⁶ = 99085849 is a prime.

It is not a weakly prime, because it can be changed into another prime (99085919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49542956 + 49542957.

It is an arithmetic number, because the mean of its divisors is an integer number (49542957).

Almost surely, 2^99085913 is an apocalyptic number.

It is an amenable number.

99085913 is a deficient number, since it is larger than the sum of its proper divisors (1).

99085913 is an equidigital number, since it uses as much as digits as its factorization.

99085913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 99085913 is about 9954.1907255186. The cubic root of 99085913 is about 462.7402801141.

The spelling of 99085913 in words is "ninety-nine million, eighty-five thousand, nine hundred thirteen".