99707086 has 4 divisors (see below), whose sum is σ = 149560632. Its totient is φ = 49853542.

The previous prime is 99707077. The next prime is 99707131. The reversal of 99707086 is 68070799.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×99707086² = 19883005997222792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24926770 + ... + 24926773.

It is an arithmetic number, because the mean of its divisors is an integer number (37390158).

Almost surely, 2^99707086 is an apocalyptic number.

99707086 is a deficient number, since it is larger than the sum of its proper divisors (49853546).

99707086 is a wasteful number, since it uses less digits than its factorization.

99707086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49853545.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 99707086 is about 9985.3435594375. The cubic root of 99707086 is about 463.7052446983.

The spelling of 99707086 in words is "ninety-nine million, seven hundred seven thousand, eighty-six".