99879694 has 16 divisors (see below), whose sum is σ = 158659200. Its totient is φ = 47025144.

The previous prime is 99879691. The next prime is 99879697. The reversal of 99879694 is 49697899.

It is an interprime number because it is at equal distance from previous prime (99879691) and next prime (99879697).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99879691) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1524 + ... + 14215.

It is an arithmetic number, because the mean of its divisors is an integer number (9916200).

Almost surely, 2^99879694 is an apocalyptic number.

99879694 is a deficient number, since it is larger than the sum of its proper divisors (58779506).

99879694 is a wasteful number, since it uses less digits than its factorization.

99879694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15927.

The product of its digits is 8817984, while the sum is 61.

The square root of 99879694 is about 9993.9828897192. The cubic root of 99879694 is about 463.9726716713.

The spelling of 99879694 in words is "ninety-nine million, eight hundred seventy-nine thousand, six hundred ninety-four".