99968769 has 32 divisors (see below), whose sum is σ = 154828800. Its totient is φ = 63674640.

The previous prime is 99968767. The next prime is 99968777. The reversal of 99968769 is 96786999.

It is not a de Polignac number, because 99968769 - 2¹ = 99968767 is a prime.

It is a super-2 number, since 2×99968769² = 19987509550750722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99968767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68752 + ... + 70190.

It is an arithmetic number, because the mean of its divisors is an integer number (4838400).

Almost surely, 2^99968769 is an apocalyptic number.

It is an amenable number.

99968769 is a deficient number, since it is larger than the sum of its proper divisors (54860031).

99968769 is a wasteful number, since it uses less digits than its factorization.

99968769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 1556 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 63.

The square root of 99968769 is about 9998.4383280590. The cubic root of 99968769 is about 464.1105578431.

The spelling of 99968769 in words is "ninety-nine million, nine hundred sixty-eight thousand, seven hundred sixty-nine".