99199890792840 has 32 divisors (see below), whose sum is σ = 297599672378880. Its totient is φ = 26453304211392.

The previous prime is 99199890792697. The next prime is 99199890792901. The reversal of 99199890792840 is 4829709899199.

It is a super-2 number, since 2×99199890792840² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413332878184 + ... + 413332878423.

It is an arithmetic number, because the mean of its divisors is an integer number (9299989761840).

Almost surely, 2^{99199890792840} is an apocalyptic number.

It is an amenable number.

99199890792840 is an abundant number, since it is smaller than the sum of its proper divisors (198399781586040).

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

99199890792840 is a wasteful number, since it uses less digits than its factorization.

99199890792840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826665756621 (or 826665756617 counting only the distinct ones).

The product of its (nonzero) digits is 1904684544, while the sum is 84.

The spelling of 99199890792840 in words is "ninety-nine trillion, one hundred ninety-nine billion, eight hundred ninety million, seven hundred ninety-two thousand, eight hundred forty".