85458214 has 4 divisors (see below), whose sum is σ = 128187324. Its totient is φ = 42729106.

The previous prime is 85458203. The next prime is 85458229. The reversal of 85458214 is 41285458.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21364552 + ... + 21364555.

It is an arithmetic number, because the mean of its divisors is an integer number (32046831).

Almost surely, 2^85458214 is an apocalyptic number.

85458214 is a deficient number, since it is larger than the sum of its proper divisors (42729110).

85458214 is a wasteful number, since it uses less digits than its factorization.

85458214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42729109.

The product of its digits is 51200, while the sum is 37.

The square root of 85458214 is about 9244.3612002128. The cubic root of 85458214 is about 440.4716258372.

The spelling of 85458214 in words is "eighty-five million, four hundred fifty-eight thousand, two hundred fourteen".