99989695 has 24 divisors (see below), whose sum is σ = 130732272. Its totient is φ = 73382400.

The previous prime is 99989683. The next prime is 99989711. The reversal of 99989695 is 59698999.

It is not a de Polignac number, because 99989695 - 2⁷ = 99989567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 203400 + ... + 203890.

It is an arithmetic number, because the mean of its divisors is an integer number (5447178).

Almost surely, 2^99989695 is an apocalyptic number.

99989695 is a deficient number, since it is larger than the sum of its proper divisors (30742577).

99989695 is a wasteful number, since it uses less digits than its factorization.

99989695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 750 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 64.

The square root of 99989695 is about 9999.4847367252. The cubic root of 99989695 is about 464.1429389559.

The spelling of 99989695 in words is "ninety-nine million, nine hundred eighty-nine thousand, six hundred ninety-five".