99696615 has 16 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 53120672.

The previous prime is 99696601. The next prime is 99696617. The reversal of 99696615 is 51669699.

It is a cyclic number.

It is not a de Polignac number, because 99696615 - 2⁴ = 99696599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99696617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17266 + ... + 22304.

It is an arithmetic number, because the mean of its divisors is an integer number (9979200).

Almost surely, 2^99696615 is an apocalyptic number.

99696615 is a deficient number, since it is larger than the sum of its proper divisors (59970585).

99696615 is a wasteful number, since it uses less digits than its factorization.

99696615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366.

The product of its digits is 787320, while the sum is 51.

The square root of 99696615 is about 9984.8192272069. The cubic root of 99696615 is about 463.6890117243.

The spelling of 99696615 in words is "ninety-nine million, six hundred ninety-six thousand, six hundred fifteen".