99517560844 has 24 divisors (see below), whose sum is σ = 187745575248. Its totient is φ = 45883855680.

The previous prime is 99517560799. The next prime is 99517560871. The reversal of 99517560844 is 44806571599.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934987 + ... + 1035970.

It is an arithmetic number, because the mean of its divisors is an integer number (7822732302).

Almost surely, 2^99517560844 is an apocalyptic number.

It is an amenable number.

99517560844 is a deficient number, since it is larger than the sum of its proper divisors (88228014404).

99517560844 is a wasteful number, since it uses less digits than its factorization.

99517560844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971945 (or 1971943 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 99517560844 in words is "ninety-nine billion, five hundred seventeen million, five hundred sixty thousand, eight hundred forty-four".