99882780 has 24 divisors (see below), whose sum is σ = 279671952. Its totient is φ = 26635392.

The previous prime is 99882773. The next prime is 99882799. The reversal of 99882780 is 8728899.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832297 + ... + 832416.

It is an arithmetic number, because the mean of its divisors is an integer number (11652998).

Almost surely, 2^99882780 is an apocalyptic number.

It is an amenable number.

99882780 is an abundant number, since it is smaller than the sum of its proper divisors (179789172).

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

99882780 is a wasteful number, since it uses less digits than its factorization.

99882780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664725 (or 1664723 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 99882780 is about 9994.1372814265. The cubic root of 99882780 is about 463.9774501031.

The spelling of 99882780 in words is "ninety-nine million, eight hundred eighty-two thousand, seven hundred eighty".