85498858 has 32 divisors (see below), whose sum is σ = 135862272. Its totient is φ = 40310400.

The previous prime is 85498801. The next prime is 85498871. The reversal of 85498858 is 85889458.

It is a junction number, because it is equal to n+sod(n) for n = 85498799 and 85498808.

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, 447543 + ... + 447733.

It is an arithmetic number, because the mean of its divisors is an integer number (4245696).

Almost surely, 2^85498858 is an apocalyptic number.

85498858 is a deficient number, since it is larger than the sum of its proper divisors (50363414).

85498858 is a wasteful number, since it uses less digits than its factorization.

85498858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390.

The product of its digits is 3686400, while the sum is 55.

The square root of 85498858 is about 9246.5592519596. The cubic root of 85498858 is about 440.5414443311.

The spelling of 85498858 in words is "eighty-five million, four hundred ninety-eight thousand, eight hundred fifty-eight".