85918388 has 12 divisors (see below), whose sum is σ = 152601792. Its totient is φ = 42317880.

The previous prime is 85918379. The next prime is 85918423. The reversal of 85918388 is 88381958.

It is a congruent number.

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, 160028 + ... + 160563.

It is an arithmetic number, because the mean of its divisors is an integer number (12716816).

Almost surely, 2^85918388 is an apocalyptic number.

It is an amenable number.

85918388 is a deficient number, since it is larger than the sum of its proper divisors (66683404).

85918388 is a wasteful number, since it uses less digits than its factorization.

85918388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320662 (or 320660 counting only the distinct ones).

The product of its digits is 552960, while the sum is 50.

The square root of 85918388 is about 9269.2172269291. The cubic root of 85918388 is about 441.2608257849.

The spelling of 85918388 in words is "eighty-five million, nine hundred eighteen thousand, three hundred eighty-eight".