85258412 has 6 divisors (see below), whose sum is σ = 149202228. Its totient is φ = 42629204.

The previous prime is 85258403. The next prime is 85258429. The reversal of 85258412 is 21485258.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10657298 + ... + 10657305.

It is an arithmetic number, because the mean of its divisors is an integer number (24867038).

Almost surely, 2^85258412 is an apocalyptic number.

It is an amenable number.

85258412 is a deficient number, since it is larger than the sum of its proper divisors (63943816).

85258412 is a wasteful number, since it uses less digits than its factorization.

85258412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21314607 (or 21314605 counting only the distinct ones).

The product of its digits is 25600, while the sum is 35.

The square root of 85258412 is about 9233.5481804126. The cubic root of 85258412 is about 440.1280825467.

The spelling of 85258412 in words is "eighty-five million, two hundred fifty-eight thousand, four hundred twelve".