108799901892864 has 720 divisors, whose sum is σ = 422775811801728. Its totient is φ = 27006561091584.

The previous prime is 108799901892827. The next prime is 108799901892919. The reversal of 108799901892864 is 468298109997801.

It is a happy number.

108799901892864 is a `hidden beast` number, since 1 + 0 + 8 + 79 + 9 + 90 + 189 + 286 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 30382759 + ... + 33774425.

Almost surely, 2^{108799901892864} is an apocalyptic number.

108799901892864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108799901892864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211387905900864).

108799901892864 is an abundant number, since it is smaller than the sum of its proper divisors (313975909908864).

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

108799901892864 is a wasteful number, since it uses less digits than its factorization.

108799901892864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391732 (or 3391709 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 81.

The spelling of 108799901892864 in words is "one hundred eight trillion, seven hundred ninety-nine billion, nine hundred one million, eight hundred ninety-two thousand, eight hundred sixty-four".