99883780 has 24 divisors (see below), whose sum is σ = 209986560. Its totient is φ = 39909600.

The previous prime is 99883769. The next prime is 99883781. The reversal of 99883780 is 8738899.

It is not an unprimeable number, because it can be changed into a prime (99883781) 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, 20851 + ... + 25189.

It is an arithmetic number, because the mean of its divisors is an integer number (8749440).

Almost surely, 2^99883780 is an apocalyptic number.

It is an amenable number.

99883780 is an abundant number, since it is smaller than the sum of its proper divisors (110102780).

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

99883780 is a wasteful number, since it uses less digits than its factorization.

99883780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499 (or 5497 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 99883780 is about 9994.1873106321. The cubic root of 99883780 is about 463.9789985045.

The spelling of 99883780 in words is "ninety-nine million, eight hundred eighty-three thousand, seven hundred eighty".