99115218764 has 6 divisors (see below), whose sum is σ = 173451632844. Its totient is φ = 49557609380.

The previous prime is 99115218701. The next prime is 99115218767. The reversal of 99115218764 is 46781251199.

It is a super-3 number, since 3×99115218764³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (99115218767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12389402342 + ... + 12389402349.

It is an arithmetic number, because the mean of its divisors is an integer number (28908605474).

Almost surely, 2^99115218764 is an apocalyptic number.

It is an amenable number.

99115218764 is a deficient number, since it is larger than the sum of its proper divisors (74336414080).

99115218764 is a wasteful number, since it uses less digits than its factorization.

99115218764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24778804695 (or 24778804693 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 53.

The spelling of 99115218764 in words is "ninety-nine billion, one hundred fifteen million, two hundred eighteen thousand, seven hundred sixty-four".