99577891746 has 24 divisors (see below), whose sum is σ = 215758443420. Its totient is φ = 33191654496.

The previous prime is 99577891739. The next prime is 99577891771. The reversal of 99577891746 is 64719877599.

99577891746 is a `hidden beast` number, since 9 + 9 + 577 + 8 + 9 + 1 + 7 + 46 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 90369378225 + 9208513521 = 300615^2 + 95961^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 814300 + ... + 928568.

Almost surely, 2^99577891746 is an apocalyptic number.

99577891746 is an abundant number, since it is smaller than the sum of its proper divisors (116180551674).

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

99577891746 is a wasteful number, since it uses less digits than its factorization.

99577891746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162690 (or 162687 counting only the distinct ones).

The product of its digits is 240045120, while the sum is 72.

The spelling of 99577891746 in words is "ninety-nine billion, five hundred seventy-seven million, eight hundred ninety-one thousand, seven hundred forty-six".