85258667 has 4 divisors (see below), whose sum is σ = 91817040. Its totient is φ = 78700296.

The previous prime is 85258633. The next prime is 85258669. The reversal of 85258667 is 76685258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85258667 - 2¹² = 85254571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85258669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3279167 + ... + 3279192.

It is an arithmetic number, because the mean of its divisors is an integer number (22954260).

Almost surely, 2^85258667 is an apocalyptic number.

85258667 is a deficient number, since it is larger than the sum of its proper divisors (6558373).

85258667 is a wasteful number, since it uses less digits than its factorization.

85258667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6558372.

The product of its digits is 806400, while the sum is 47.

The square root of 85258667 is about 9233.5619887452. The cubic root of 85258667 is about 440.1285213403.

The spelling of 85258667 in words is "eighty-five million, two hundred fifty-eight thousand, six hundred sixty-seven".