85635099 has 12 divisors (see below), whose sum is σ = 134940312. Its totient is φ = 51900000.

The previous prime is 85635083. The next prime is 85635107. The reversal of 85635099 is 99053658.

85635099 is a `hidden beast` number, since 8 + 5 + 635 + 0 + 9 + 9 = 666.

It is not a de Polignac number, because 85635099 - 2⁴ = 85635083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85635029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432402 + ... + 432599.

It is an arithmetic number, because the mean of its divisors is an integer number (11245026).

Almost surely, 2^85635099 is an apocalyptic number.

85635099 is a deficient number, since it is larger than the sum of its proper divisors (49305213).

85635099 is a wasteful number, since it uses less digits than its factorization.

85635099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865018 (or 865015 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 85635099 is about 9253.9234381964. The cubic root of 85635099 is about 440.7753186241.

The spelling of 85635099 in words is "eighty-five million, six hundred thirty-five thousand, ninety-nine".