99716577 has 16 divisors (see below), whose sum is σ = 140978880. Its totient is φ = 62477312.

The previous prime is 99716557. The next prime is 99716581. The reversal of 99716577 is 77561799.

It is not a de Polignac number, because 99716577 - 2²³ = 91327969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (99716537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63433 + ... + 64985.

It is an arithmetic number, because the mean of its divisors is an integer number (8811180).

Almost surely, 2^99716577 is an apocalyptic number.

It is an amenable number.

99716577 is a deficient number, since it is larger than the sum of its proper divisors (41262303).

99716577 is a wasteful number, since it uses less digits than its factorization.

99716577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832.

The product of its digits is 833490, while the sum is 51.

The square root of 99716577 is about 9985.8187946708. The cubic root of 99716577 is about 463.7199574167.

The spelling of 99716577 in words is "ninety-nine million, seven hundred sixteen thousand, five hundred seventy-seven".