85164042 has 16 divisors (see below), whose sum is σ = 179292960. Its totient is φ = 26893872.

The previous prime is 85164029. The next prime is 85164089. The reversal of 85164042 is 24046158.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373413 + ... + 373640.

It is an arithmetic number, because the mean of its divisors is an integer number (11205810).

Almost surely, 2^85164042 is an apocalyptic number.

85164042 is an abundant number, since it is smaller than the sum of its proper divisors (94128918).

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

85164042 is a wasteful number, since it uses less digits than its factorization.

85164042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747077.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 85164042 is about 9228.4365956537. The cubic root of 85164042 is about 439.9656343683.

The spelling of 85164042 in words is "eighty-five million, one hundred sixty-four thousand, forty-two".