85742216 has 16 divisors (see below), whose sum is σ = 183733440. Its totient is φ = 36746640.

The previous prime is 85742201. The next prime is 85742263. The reversal of 85742216 is 61224758.

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, 765500 + ... + 765611.

It is an arithmetic number, because the mean of its divisors is an integer number (11483340).

Almost surely, 2^85742216 is an apocalyptic number.

It is an amenable number.

85742216 is an abundant number, since it is smaller than the sum of its proper divisors (97991224).

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

85742216 is a wasteful number, since it uses less digits than its factorization.

85742216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531124 (or 1531120 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 85742216 is about 9259.7092826935. The cubic root of 85742216 is about 440.9590238956.

It can be divided in two parts, 85742 and 216, that added together give a palindrome (85958).

The spelling of 85742216 in words is "eighty-five million, seven hundred forty-two thousand, two hundred sixteen".