99687085 has 16 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 78636736.

The previous prime is 99687073. The next prime is 99687157. The reversal of 99687085 is 58078699.

It is a cyclic number.

It is not a de Polignac number, because 99687085 - 2⁷ = 99686957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207876 + ... + 208354.

It is an arithmetic number, because the mean of its divisors is an integer number (7581600).

Almost surely, 2^99687085 is an apocalyptic number.

It is an amenable number.

99687085 is a deficient number, since it is larger than the sum of its proper divisors (21618515).

99687085 is a wasteful number, since it uses less digits than its factorization.

99687085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 99687085 is about 9984.3419913382. The cubic root of 99687085 is about 463.6742365751.

The spelling of 99687085 in words is "ninety-nine million, six hundred eighty-seven thousand, eighty-five".