85417808 has 20 divisors (see below), whose sum is σ = 189139680. Its totient is φ = 36607584.

The previous prime is 85417799. The next prime is 85417817. The reversal of 85417808 is 80871458.

It is an interprime number because it is at equal distance from previous prime (85417799) and next prime (85417817).

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, 381218 + ... + 381441.

It is an arithmetic number, because the mean of its divisors is an integer number (9456984).

Almost surely, 2^85417808 is an apocalyptic number.

It is an amenable number.

85417808 is an abundant number, since it is smaller than the sum of its proper divisors (103721872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85417808 is a wasteful number, since it uses less digits than its factorization.

85417808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762674 (or 762668 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 85417808 is about 9242.1755014715. The cubic root of 85417808 is about 440.4021942346.

The spelling of 85417808 in words is "eighty-five million, four hundred seventeen thousand, eight hundred eight".