99475512 has 64 divisors (see below), whose sum is σ = 260789760. Its totient is φ = 31584000.

The previous prime is 99475487. The next prime is 99475513. The reversal of 99475512 is 21557499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99475513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41137 + ... + 43487.

It is an arithmetic number, because the mean of its divisors is an integer number (4074840).

Almost surely, 2^99475512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99475512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130394880).

99475512 is an abundant number, since it is smaller than the sum of its proper divisors (161314248).

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

99475512 is a wasteful number, since it uses less digits than its factorization.

99475512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444 (or 2440 counting only the distinct ones).

The product of its digits is 113400, while the sum is 42.

The square root of 99475512 is about 9973.7411235704. The cubic root of 99475512 is about 463.3459746161.

The spelling of 99475512 in words is "ninety-nine million, four hundred seventy-five thousand, five hundred twelve".