99509675574 has 64 divisors (see below), whose sum is σ = 212751797760. Its totient is φ = 30939148800.

The previous prime is 99509675569. The next prime is 99509675599. The reversal of 99509675574 is 47557690599.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1919604 + ... + 1970760.

It is an arithmetic number, because the mean of its divisors is an integer number (3324246840).

Almost surely, 2^99509675574 is an apocalyptic number.

99509675574 is an abundant number, since it is smaller than the sum of its proper divisors (113242122186).

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

99509675574 is a wasteful number, since it uses less digits than its factorization.

99509675574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51445.

The product of its (nonzero) digits is 107163000, while the sum is 66.

The spelling of 99509675574 in words is "ninety-nine billion, five hundred nine million, six hundred seventy-five thousand, five hundred seventy-four".