85907806 has 32 divisors (see below), whose sum is σ = 138475008. Its totient is φ = 39879840.

The previous prime is 85907791. The next prime is 85907837. The reversal of 85907806 is 60870958.

It is a happy number.

It is a super-2 number, since 2×85907806² = 14760302263467272, 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 in 15 ways as a sum of consecutive naturals, for example, 407041 + ... + 407251.

It is an arithmetic number, because the mean of its divisors is an integer number (4327344).

Almost surely, 2^85907806 is an apocalyptic number.

85907806 is a deficient number, since it is larger than the sum of its proper divisors (52567202).

85907806 is a wasteful number, since it uses less digits than its factorization.

85907806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 85907806 is about 9268.6463952402. The cubic root of 85907806 is about 441.2427093147.

The spelling of 85907806 in words is "eighty-five million, nine hundred seven thousand, eight hundred six".