99573859628 has 48 divisors (see below), whose sum is σ = 181623472128. Its totient is φ = 47714928000.

The previous prime is 99573859591. The next prime is 99573859661. The reversal of 99573859628 is 82695837599.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5367008 + ... + 5385528.

It is an arithmetic number, because the mean of its divisors is an integer number (3783822336).

Almost surely, 2^99573859628 is an apocalyptic number.

It is an amenable number.

99573859628 is a deficient number, since it is larger than the sum of its proper divisors (82049612500).

99573859628 is a wasteful number, since it uses less digits than its factorization.

99573859628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18974 (or 18972 counting only the distinct ones).

The product of its digits is 293932800, while the sum is 71.

The spelling of 99573859628 in words is "ninety-nine billion, five hundred seventy-three million, eight hundred fifty-nine thousand, six hundred twenty-eight".