99516577 has 4 divisors (see below), whose sum is σ = 101830960. Its totient is φ = 97202196.

The previous prime is 99516533. The next prime is 99516581. The reversal of 99516577 is 77561599.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99516577 - 2⁷ = 99516449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99516577.

It is not an unprimeable number, because it can be changed into a prime (99514577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157127 + ... + 1157212.

It is an arithmetic number, because the mean of its divisors is an integer number (25457740).

Almost surely, 2^99516577 is an apocalyptic number.

It is an amenable number.

99516577 is a deficient number, since it is larger than the sum of its proper divisors (2314383).

99516577 is a wasteful number, since it uses less digits than its factorization.

99516577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314382.

The product of its digits is 595350, while the sum is 49.

The square root of 99516577 is about 9975.7995669520. The cubic root of 99516577 is about 463.4097245931.

The spelling of 99516577 in words is "ninety-nine million, five hundred sixteen thousand, five hundred seventy-seven".