99976512 has 56 divisors (see below), whose sum is σ = 266090400. Its totient is φ = 33127936.

The previous prime is 99976511. The next prime is 99976517. The reversal of 99976512 is 21567999.

It is a super-2 number, since 2×99976512² = 19990605903372288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99976511) 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, 32914 + ... + 35822.

Almost surely, 2^99976512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99976512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133045200).

99976512 is an abundant number, since it is smaller than the sum of its proper divisors (166113888).

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

99976512 is a wasteful number, since it uses less digits than its factorization.

99976512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3093 counting only the distinct ones).

The product of its digits is 306180, while the sum is 48.

The square root of 99976512 is about 9998.8255310311. The cubic root of 99976512 is about 464.1225399695.

The spelling of 99976512 in words is "ninety-nine million, nine hundred seventy-six thousand, five hundred twelve".