99875362618881 has 8 divisors (see below), whose sum is σ = 147963500176160. Its totient is φ = 66583575079236.

The previous prime is 99875362618877. The next prime is 99875362618883. The reversal of 99875362618881 is 18881626357899.

99875362618881 is a `hidden beast` number, since 9 + 9 + 8 + 75 + 362 + 6 + 188 + 8 + 1 = 666.

It is not a de Polignac number, because 99875362618881 - 2² = 99875362618877 is a prime.

It is a super-2 number, since 2×99875362618881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99875362618881.

It is not an unprimeable number, because it can be changed into a prime (99875362618883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1849543752175 + ... + 1849543752228.

It is an arithmetic number, because the mean of its divisors is an integer number (18495437522020).

Almost surely, 2^{99875362618881} is an apocalyptic number.

It is an amenable number.

99875362618881 is a deficient number, since it is larger than the sum of its proper divisors (48088137557279).

99875362618881 is a wasteful number, since it uses less digits than its factorization.

99875362618881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699087504412 (or 3699087504406 counting only the distinct ones).

The product of its digits is 2508226560, while the sum is 81.

The spelling of 99875362618881 in words is "ninety-nine trillion, eight hundred seventy-five billion, three hundred sixty-two million, six hundred eighteen thousand, eight hundred eighty-one".