99512686 has 32 divisors (see below), whose sum is σ = 184218048. Its totient is φ = 39260160.

The previous prime is 99512683. The next prime is 99512687. The reversal of 99512686 is 68621599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99512683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116236 + ... + 117088.

It is an arithmetic number, because the mean of its divisors is an integer number (5756814).

Almost surely, 2^99512686 is an apocalyptic number.

99512686 is a deficient number, since it is larger than the sum of its proper divisors (84705362).

99512686 is a wasteful number, since it uses less digits than its factorization.

99512686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516.

The product of its digits is 233280, while the sum is 46.

The square root of 99512686 is about 9975.6045430841. The cubic root of 99512686 is about 463.4036848933.

The spelling of 99512686 in words is "ninety-nine million, five hundred twelve thousand, six hundred eighty-six".