85858814 has 4 divisors (see below), whose sum is σ = 128788224. Its totient is φ = 42929406.

The previous prime is 85858811. The next prime is 85858819. The reversal of 85858814 is 41885858.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85858811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21464702 + ... + 21464705.

It is an arithmetic number, because the mean of its divisors is an integer number (32197056).

Almost surely, 2^85858814 is an apocalyptic number.

85858814 is a deficient number, since it is larger than the sum of its proper divisors (42929410).

85858814 is a wasteful number, since it uses less digits than its factorization.

85858814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42929409.

The product of its digits is 409600, while the sum is 47.

The square root of 85858814 is about 9266.0031297210. The cubic root of 85858814 is about 441.1588152175.

The spelling of 85858814 in words is "eighty-five million, eight hundred fifty-eight thousand, eight hundred fourteen".