99785672 has 32 divisors (see below), whose sum is σ = 216846720. Its totient is φ = 42161280.

The previous prime is 99785669. The next prime is 99785681. The reversal of 99785672 is 27658799.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8573 + ... + 16524.

It is an arithmetic number, because the mean of its divisors is an integer number (6776460).

Almost surely, 2^99785672 is an apocalyptic number.

It is an amenable number.

99785672 is an abundant number, since it is smaller than the sum of its proper divisors (117061048).

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

99785672 is a wasteful number, since it uses less digits than its factorization.

99785672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25181 (or 25177 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 53.

The square root of 99785672 is about 9989.2778517769. The cubic root of 99785672 is about 463.8270386857.

The spelling of 99785672 in words is "ninety-nine million, seven hundred eighty-five thousand, six hundred seventy-two".