99247515 has 32 divisors (see below), whose sum is σ = 162077760. Its totient is φ = 51849216.

The previous prime is 99247501. The next prime is 99247537. The reversal of 99247515 is 51574299.

It is not a de Polignac number, because 99247515 - 2⁶ = 99247451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254941 + ... + 255329.

It is an arithmetic number, because the mean of its divisors is an integer number (5064930).

Almost surely, 2^99247515 is an apocalyptic number.

99247515 is a deficient number, since it is larger than the sum of its proper divisors (62830245).

99247515 is a wasteful number, since it uses less digits than its factorization.

99247515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703.

The product of its digits is 113400, while the sum is 42.

The square root of 99247515 is about 9962.3047032301. The cubic root of 99247515 is about 462.9917088517.

The spelling of 99247515 in words is "ninety-nine million, two hundred forty-seven thousand, five hundred fifteen".