99504765 has 12 divisors (see below), whose sum is σ = 172475004. Its totient is φ = 53069184.

The previous prime is 99504751. The next prime is 99504773. The reversal of 99504765 is 56740599.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47361924 + 52142841 = 6882^2 + 7221^2 .

It is not a de Polignac number, because 99504765 - 2²¹ = 97407613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2211217 = 99504765 / (9 + 9 + 5 + 0 + 4 + 7 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 99504765.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1105564 + ... + 1105653.

It is an arithmetic number, because the mean of its divisors is an integer number (14372917).

Almost surely, 2^99504765 is an apocalyptic number.

It is an amenable number.

99504765 is a deficient number, since it is larger than the sum of its proper divisors (72970239).

99504765 is a wasteful number, since it uses less digits than its factorization.

99504765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211228 (or 2211225 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 99504765 is about 9975.2075166384. The cubic root of 99504765 is about 463.3913892483.

The spelling of 99504765 in words is "ninety-nine million, five hundred four thousand, seven hundred sixty-five".