99768086799 has 8 divisors (see below), whose sum is σ = 134201320752. Its totient is φ = 65923455360.

The previous prime is 99768086783. The next prime is 99768086837.

It is a happy number.

99768086799 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99768086799 - 2⁴ = 99768086783 is a prime.

It is a super-2 number, since 2×99768086799² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99768086399) 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, 147150232 + ... + 147150909.

It is an arithmetic number, because the mean of its divisors is an integer number (16775165094).

Almost surely, 2^99768086799 is an apocalyptic number.

99768086799 is a deficient number, since it is larger than the sum of its proper divisors (34433233953).

99768086799 is a wasteful number, since it uses less digits than its factorization.

99768086799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294301257.

The product of its (nonzero) digits is 740710656, while the sum is 78.

The spelling of 99768086799 in words is "ninety-nine billion, seven hundred sixty-eight million, eighty-six thousand, seven hundred ninety-nine".