85258870 has 8 divisors (see below), whose sum is σ = 153465984. Its totient is φ = 34103544.

The previous prime is 85258867. The next prime is 85258883. The reversal of 85258870 is 7885258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 4262934 + ... + 4262953.

It is an arithmetic number, because the mean of its divisors is an integer number (19183248).

Almost surely, 2^85258870 is an apocalyptic number.

85258870 is a deficient number, since it is larger than the sum of its proper divisors (68207114).

85258870 is a wasteful number, since it uses less digits than its factorization.

85258870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525894.

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 85258870 is about 9233.5729812462. The cubic root of 85258870 is about 440.1288706539.

The spelling of 85258870 in words is "eighty-five million, two hundred fifty-eight thousand, eight hundred seventy".