99956097 has 12 divisors (see below), whose sum is σ = 144468324. Its totient is φ = 66597120.

The previous prime is 99956057. The next prime is 99956119. The reversal of 99956097 is 79065999.

It can be written as a sum of positive squares in 2 ways, for example, as 64064016 + 35892081 = 8004^2 + 5991^2 .

It is not a de Polignac number, because 99956097 - 2¹⁰ = 99955073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99956057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24697 + ... + 28457.

It is an arithmetic number, because the mean of its divisors is an integer number (12039027).

Almost surely, 2^99956097 is an apocalyptic number.

It is an amenable number.

99956097 is a deficient number, since it is larger than the sum of its proper divisors (44512227).

99956097 is a wasteful number, since it uses less digits than its factorization.

99956097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720 (or 6717 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The square root of 99956097 is about 9997.8046090129. The cubic root of 99956097 is about 464.0909468601.

The spelling of 99956097 in words is "ninety-nine million, nine hundred fifty-six thousand, ninety-seven".