99656870 has 8 divisors (see below), whose sum is σ = 179382384. Its totient is φ = 39862744.

The previous prime is 99656867. The next prime is 99656891. The reversal of 99656870 is 7865699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4982834 + ... + 4982853.

It is an arithmetic number, because the mean of its divisors is an integer number (22422798).

Almost surely, 2^99656870 is an apocalyptic number.

99656870 is a deficient number, since it is larger than the sum of its proper divisors (79725514).

99656870 is a wasteful number, since it uses less digits than its factorization.

99656870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965694.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 99656870 is about 9982.8287574214. The cubic root of 99656870 is about 463.6273855286.

The spelling of 99656870 in words is "ninety-nine million, six hundred fifty-six thousand, eight hundred seventy".