99565850 has 24 divisors (see below), whose sum is σ = 193246560. Its totient is φ = 38094320.

The previous prime is 99565811. The next prime is 99565859. The reversal of 99565850 is 5856599.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 99565795 and 99565804.

It is not an unprimeable number, because it can be changed into a prime (99565859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42140 + ... + 44439.

It is an arithmetic number, because the mean of its divisors is an integer number (8051940).

Almost surely, 2^99565850 is an apocalyptic number.

99565850 is a deficient number, since it is larger than the sum of its proper divisors (93680710).

99565850 is a wasteful number, since it uses less digits than its factorization.

99565850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86614 (or 86609 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 47.

The square root of 99565850 is about 9978.2688879384. The cubic root of 99565850 is about 463.4861936619.

The spelling of 99565850 in words is "ninety-nine million, five hundred sixty-five thousand, eight hundred fifty".