99677596440 has 64 divisors (see below), whose sum is σ = 303495989760. Its totient is φ = 26183963520.

The previous prime is 99677596429. The next prime is 99677596457. The reversal of 99677596440 is 4469577699.

99677596440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6190816 + ... + 6206895.

It is an arithmetic number, because the mean of its divisors is an integer number (4742124840).

Almost surely, 2^99677596440 is an apocalyptic number.

It is an amenable number.

99677596440 is an abundant number, since it is smaller than the sum of its proper divisors (203818393320).

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

99677596440 is a wasteful number, since it uses less digits than its factorization.

99677596440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12397792 (or 12397788 counting only the distinct ones).

The product of its (nonzero) digits is 102876480, while the sum is 66.

The spelling of 99677596440 in words is "ninety-nine billion, six hundred seventy-seven million, five hundred ninety-six thousand, four hundred forty".