99313761 has 4 divisors (see below), whose sum is σ = 132418352. Its totient is φ = 66209172.

The previous prime is 99313759. The next prime is 99313771. The reversal of 99313761 is 16731399.

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 not a de Polignac number, because 99313761 - 2¹ = 99313759 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99313771) 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, 16552291 + ... + 16552296.

It is an arithmetic number, because the mean of its divisors is an integer number (33104588).

Almost surely, 2^99313761 is an apocalyptic number.

It is an amenable number.

99313761 is a deficient number, since it is larger than the sum of its proper divisors (33104591).

99313761 is a wasteful number, since it uses less digits than its factorization.

99313761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33104590.

The product of its digits is 30618, while the sum is 39.

The square root of 99313761 is about 9965.6289816549. The cubic root of 99313761 is about 463.0946989269.

The spelling of 99313761 in words is "ninety-nine million, three hundred thirteen thousand, seven hundred sixty-one".