99768508 has 18 divisors (see below), whose sum is σ = 203100576. Its totient is φ = 42757848.

The previous prime is 99768499. The next prime is 99768511. The reversal of 99768508 is 80586799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 254316 + ... + 254707.

Almost surely, 2^99768508 is an apocalyptic number.

99768508 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

99768508 is an abundant number, since it is smaller than the sum of its proper divisors (103332068).

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

99768508 is a wasteful number, since it uses less digits than its factorization.

99768508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509041 (or 509032 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 99768508 is about 9988.4186936672. The cubic root of 99768508 is about 463.8004430712.

The spelling of 99768508 in words is "ninety-nine million, seven hundred sixty-eight thousand, five hundred eight".