85872818 has 8 divisors (see below), whose sum is σ = 135588720. Its totient is φ = 40676580.

The previous prime is 85872803. The next prime is 85872827. The reversal of 85872818 is 81827858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85872818² = 14748281742522248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129868 + ... + 1129943.

It is an arithmetic number, because the mean of its divisors is an integer number (16948590).

Almost surely, 2^85872818 is an apocalyptic number.

85872818 is a deficient number, since it is larger than the sum of its proper divisors (49715902).

85872818 is a wasteful number, since it uses less digits than its factorization.

85872818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259832.

The product of its digits is 286720, while the sum is 47.

The square root of 85872818 is about 9266.7587645303. The cubic root of 85872818 is about 441.1827989799.

The spelling of 85872818 in words is "eighty-five million, eight hundred seventy-two thousand, eight hundred eighteen".