99475866 has 24 divisors (see below), whose sum is σ = 246321504. Its totient is φ = 28421640.

The previous prime is 99475853. The next prime is 99475889. The reversal of 99475866 is 66857499.

99475866 is a `hidden beast` number, since 99 + 475 + 86 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394620 + ... + 394871.

It is an arithmetic number, because the mean of its divisors is an integer number (10263396).

Almost surely, 2^99475866 is an apocalyptic number.

99475866 is an abundant number, since it is smaller than the sum of its proper divisors (146845638).

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

99475866 is a wasteful number, since it uses less digits than its factorization.

99475866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789506 (or 789503 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 99475866 is about 9973.7588701552. The cubic root of 99475866 is about 463.3465242465.

The spelling of 99475866 in words is "ninety-nine million, four hundred seventy-five thousand, eight hundred sixty-six".