85667942 has 32 divisors (see below), whose sum is σ = 138184704. Its totient is φ = 39758400.

The previous prime is 85667921. The next prime is 85667951. The reversal of 85667942 is 24976658.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170063 + ... + 170565.

It is an arithmetic number, because the mean of its divisors is an integer number (4318272).

Almost surely, 2^85667942 is an apocalyptic number.

85667942 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

85667942 is a deficient number, since it is larger than the sum of its proper divisors (52516762).

85667942 is a wasteful number, since it uses less digits than its factorization.

85667942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644.

The product of its digits is 725760, while the sum is 47.

The square root of 85667942 is about 9255.6978126989. The cubic root of 85667942 is about 440.8316605279.

The spelling of 85667942 in words is "eighty-five million, six hundred sixty-seven thousand, nine hundred forty-two".