99880925049 has 12 divisors (see below), whose sum is σ = 144435110976. Its totient is φ = 66512207832.

The previous prime is 99880925047. The next prime is 99880925051. The reversal of 99880925049 is 94052908899.

It is an interprime number because it is at equal distance from previous prime (99880925047) and next prime (99880925051).

It is not a de Polignac number, because 99880925049 - 2¹ = 99880925047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99880925047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6247869 + ... + 6263834.

It is an arithmetic number, because the mean of its divisors is an integer number (12036259248).

Almost surely, 2^99880925049 is an apocalyptic number.

It is an amenable number.

99880925049 is a deficient number, since it is larger than the sum of its proper divisors (44554185927).

99880925049 is a wasteful number, since it uses less digits than its factorization.

99880925049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12512596 (or 12512593 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 99880925049 in words is "ninety-nine billion, eight hundred eighty million, nine hundred twenty-five thousand, forty-nine".