99768614399 has 32 divisors (see below), whose sum is σ = 105289341696. Its totient is φ = 94449358080.

The previous prime is 99768614381. The next prime is 99768614423. The reversal of 99768614399 is 99341686799.

It is a de Polignac number, because none of the positive numbers 2^k-99768614399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99768614899) 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, 57903152 + ... + 57904874.

It is an arithmetic number, because the mean of its divisors is an integer number (3290291928).

Almost surely, 2^99768614399 is an apocalyptic number.

99768614399 is a deficient number, since it is larger than the sum of its proper divisors (5520727297).

99768614399 is a wasteful number, since it uses less digits than its factorization.

99768614399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its digits is 158723712, while the sum is 71.

The spelling of 99768614399 in words is "ninety-nine billion, seven hundred sixty-eight million, six hundred fourteen thousand, three hundred ninety-nine".