99932786468 has 24 divisors (see below), whose sum is σ = 185228997912. Its totient is φ = 47012102144.

The previous prime is 99932786449. The next prime is 99932786501. The reversal of 99932786468 is 86468723999.

It can be written as a sum of positive squares in 4 ways, for example, as 48207471844 + 51725314624 = 219562^2 + 227432^2 .

It is a super-2 number, since 2×99932786468² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20921 + ... + 447552.

It is an arithmetic number, because the mean of its divisors is an integer number (7717874913).

Almost surely, 2^99932786468 is an apocalyptic number.

It is an amenable number.

99932786468 is a deficient number, since it is larger than the sum of its proper divisors (85296211444).

99932786468 is a wasteful number, since it uses less digits than its factorization.

99932786468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471631 (or 471629 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 71.

The spelling of 99932786468 in words is "ninety-nine billion, nine hundred thirty-two million, seven hundred eighty-six thousand, four hundred sixty-eight".