99360680881 has 64 divisors (see below), whose sum is σ = 129376719360. Its totient is φ = 74068992000.

The previous prime is 99360680873. The next prime is 99360680891. The reversal of 99360680881 is 18808606399.

It is a 4-Lehmer number, since φ(99360680881) divides (99360680881-1)⁴.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 99360680881 - 2³ = 99360680873 is a prime.

It is a super-2 number, since 2×99360680881² (a number of 23 digits) contains 22 as substring.

It is a deceptive number, since it divides R_99360680880.

It is not an unprimeable number, because it can be changed into a prime (99360680891) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88007125 + ... + 88008253.

It is an arithmetic number, because the mean of its divisors is an integer number (2021511240).

It is a Poulet number, since it divides 2^99360680880-1.

Almost surely, 2^99360680881 is an apocalyptic number.

It is an amenable number.

99360680881 is a deficient number, since it is larger than the sum of its proper divisors (30016038479).

99360680881 is a wasteful number, since it uses less digits than its factorization.

99360680881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706.

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 99360680881 in words is "ninety-nine billion, three hundred sixty million, six hundred eighty thousand, eight hundred eighty-one".