99957311 has 8 divisors (see below), whose sum is σ = 102001680. Its totient is φ = 97918912.

The previous prime is 99957307. The next prime is 99957317. The reversal of 99957311 is 11375999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99957311 - 2² = 99957307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99957317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49520 + ... + 51498.

It is an arithmetic number, because the mean of its divisors is an integer number (12750210).

Almost surely, 2^99957311 is an apocalyptic number.

99957311 is a deficient number, since it is larger than the sum of its proper divisors (2044369).

99957311 is a wasteful number, since it uses less digits than its factorization.

99957311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985.

The product of its digits is 76545, while the sum is 44.

The square root of 99957311 is about 9997.8653221575. The cubic root of 99957311 is about 464.0928256987.

The spelling of 99957311 in words is "ninety-nine million, nine hundred fifty-seven thousand, three hundred eleven".