85877142 has 32 divisors (see below), whose sum is σ = 188008800. Its totient is φ = 25989120.

The previous prime is 85877137. The next prime is 85877159. The reversal of 85877142 is 24177858.

It is a junction number, because it is equal to n+sod(n) for n = 85877094 and 85877103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4267 + ... + 13782.

It is an arithmetic number, because the mean of its divisors is an integer number (5875275).

Almost surely, 2^85877142 is an apocalyptic number.

85877142 is an abundant number, since it is smaller than the sum of its proper divisors (102131658).

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

85877142 is a wasteful number, since it uses less digits than its factorization.

85877142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18128.

The product of its digits is 125440, while the sum is 42.

The square root of 85877142 is about 9266.9920686272. The cubic root of 85877142 is about 441.1902038935.

The spelling of 85877142 in words is "eighty-five million, eight hundred seventy-seven thousand, one hundred forty-two".