99299923834680 has 128 divisors (see below), whose sum is σ = 336609911520000. Its totient is φ = 26031166457472.

The previous prime is 99299923834679. The next prime is 99299923834703. The reversal of 99299923834680 is 8643832999299.

99299923834680 is a `hidden beast` number, since 9 + 9 + 2 + 99 + 92 + 383 + 4 + 68 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 99299923834680.

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, 779125890 + ... + 779253329.

It is an arithmetic number, because the mean of its divisors is an integer number (2629764933750).

Almost surely, 2^{99299923834680} is an apocalyptic number.

99299923834680 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99299923834680 is an abundant number, since it is smaller than the sum of its proper divisors (237309987685320).

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

99299923834680 is a wasteful number, since it uses less digits than its factorization.

99299923834680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558379298 (or 1558379288 counting only the distinct ones).

The product of its (nonzero) digits is 3265173504, while the sum is 81.

The spelling of 99299923834680 in words is "ninety-nine trillion, two hundred ninety-nine billion, nine hundred twenty-three million, eight hundred thirty-four thousand, six hundred eighty".