99122479817814 has 48 divisors (see below), whose sum is σ = 220659984986688. Its totient is φ = 32134693113216.

The previous prime is 99122479817807. The next prime is 99122479817821. The reversal of 99122479817814 is 41871897422199.

99122479817814 is a `hidden beast` number, since 9 + 9 + 1 + 2 + 2 + 479 + 81 + 78 + 1 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (99122479817807) and next prime (99122479817821).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28781527 + ... + 32040930.

It is an arithmetic number, because the mean of its divisors is an integer number (4597083020556).

Almost surely, 2^{99122479817814} is an apocalyptic number.

99122479817814 is an abundant number, since it is smaller than the sum of its proper divisors (121537505168874).

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

99122479817814 is a wasteful number, since it uses less digits than its factorization.

99122479817814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60824949 (or 60824946 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 72.

The spelling of 99122479817814 in words is "ninety-nine trillion, one hundred twenty-two billion, four hundred seventy-nine million, eight hundred seventeen thousand, eight hundred fourteen".