85806998 has 16 divisors (see below), whose sum is σ = 133403760. Its totient is φ = 41344800.

The previous prime is 85806989. The next prime is 85807031. The reversal of 85806998 is 89960858.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39008 + ... + 41148.

It is an arithmetic number, because the mean of its divisors is an integer number (8337735).

Almost surely, 2^85806998 is an apocalyptic number.

85806998 is a deficient number, since it is larger than the sum of its proper divisors (47596762).

85806998 is a wasteful number, since it uses less digits than its factorization.

85806998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 85806998 is about 9263.2066801945. The cubic root of 85806998 is about 441.0700505578.

The spelling of 85806998 in words is "eighty-five million, eight hundred six thousand, nine hundred ninety-eight".