99723590784 has 48 divisors (see below), whose sum is σ = 286965023670. Its totient is φ = 33241196544.

The previous prime is 99723590767. The next prime is 99723590797. The reversal of 99723590784 is 48709532799.

It can be written as a sum of positive squares in only one way, i.e., 98049144384 + 1674446400 = 313128^2 + 40920^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43281657 + ... + 43283960.

Almost surely, 2^99723590784 is an apocalyptic number.

It is an amenable number.

99723590784 is an abundant number, since it is smaller than the sum of its proper divisors (187241432886).

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

99723590784 is a wasteful number, since it uses less digits than its factorization.

99723590784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86565637 (or 86565622 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 99723590784 in words is "ninety-nine billion, seven hundred twenty-three million, five hundred ninety thousand, seven hundred eighty-four".