999675625880 has 64 divisors (see below), whose sum is σ = 2257064671680. Its totient is φ = 398485209600.

The previous prime is 999675625831. The next prime is 999675625919. The reversal of 999675625880 is 88526576999.

It is a junction number, because it is equal to n+sod(n) for n = 999675625798 and 999675625807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69121850 + ... + 69136310.

It is an arithmetic number, because the mean of its divisors is an integer number (35266635495).

Almost surely, 2^999675625880 is an apocalyptic number.

It is an amenable number.

999675625880 is an abundant number, since it is smaller than the sum of its proper divisors (1257389045800).

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

999675625880 is a wasteful number, since it uses less digits than its factorization.

999675625880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20340 (or 20336 counting only the distinct ones).

The product of its (nonzero) digits is 587865600, while the sum is 74.

The spelling of 999675625880 in words is "nine hundred ninety-nine billion, six hundred seventy-five million, six hundred twenty-five thousand, eight hundred eighty".