99796881 has 16 divisors (see below), whose sum is σ = 137338688. Its totient is φ = 64411200.

The previous prime is 99796877. The next prime is 99796883. The reversal of 99796881 is 18869799.

It is not a de Polignac number, because 99796881 - 2² = 99796877 is a prime.

It is a super-2 number, since 2×99796881² = 19918834914656322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99796883) 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, 21291 + ... + 25551.

It is an arithmetic number, because the mean of its divisors is an integer number (8583668).

Almost surely, 2^99796881 is an apocalyptic number.

It is an amenable number.

99796881 is a deficient number, since it is larger than the sum of its proper divisors (37541807).

99796881 is a wasteful number, since it uses less digits than its factorization.

99796881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512.

The product of its digits is 1959552, while the sum is 57.

The square root of 99796881 is about 9989.8388875897. The cubic root of 99796881 is about 463.8444053828.

The spelling of 99796881 in words is "ninety-nine million, seven hundred ninety-six thousand, eight hundred eighty-one".