99557796 has 48 divisors (see below), whose sum is σ = 263345600. Its totient is φ = 29020032.

The previous prime is 99557791. The next prime is 99557813. The reversal of 99557796 is 69775599.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (99557791) 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, 13831 + ... + 19758.

Almost surely, 2^99557796 is an apocalyptic number.

It is an amenable number.

99557796 is an abundant number, since it is smaller than the sum of its proper divisors (163787804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99557796 is a wasteful number, since it uses less digits than its factorization.

99557796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33628 (or 33626 counting only the distinct ones).

The product of its digits is 5358150, while the sum is 57.

The square root of 99557796 is about 9977.8653027589. The cubic root of 99557796 is about 463.4736960084.

The spelling of 99557796 in words is "ninety-nine million, five hundred fifty-seven thousand, seven hundred ninety-six".