99797115 has 32 divisors (see below), whose sum is σ = 181771776. Its totient is φ = 46280960.

The previous prime is 99797111. The next prime is 99797129. The reversal of 99797115 is 51179799.

It is a happy number.

It is not a de Polignac number, because 99797115 - 2² = 99797111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99797111) 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, 9354 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (5680368).

Almost surely, 2^99797115 is an apocalyptic number.

99797115 is a deficient number, since it is larger than the sum of its proper divisors (81974661).

99797115 is a wasteful number, since it uses less digits than its factorization.

99797115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26339.

The product of its digits is 178605, while the sum is 48.

The square root of 99797115 is about 9989.8505994835. The cubic root of 99797115 is about 463.8447679175.

The spelling of 99797115 in words is "ninety-nine million, seven hundred ninety-seven thousand, one hundred fifteen".