85371870 has 32 divisors (see below), whose sum is σ = 208762272. Its totient is φ = 22335872.

The previous prime is 85371833. The next prime is 85371901. The reversal of 85371870 is 7817358.

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, 25257 + ... + 28436.

It is an arithmetic number, because the mean of its divisors is an integer number (6523821).

Almost surely, 2^85371870 is an apocalyptic number.

85371870 is an abundant number, since it is smaller than the sum of its proper divisors (123390402).

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

85371870 is a wasteful number, since it uses less digits than its factorization.

85371870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53756.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 85371870 is about 9239.6899298624. The cubic root of 85371870 is about 440.3232301234.

The spelling of 85371870 in words is "eighty-five million, three hundred seventy-one thousand, eight hundred seventy".