85715414 has 4 divisors (see below), whose sum is σ = 128573124. Its totient is φ = 42857706.

The previous prime is 85715407. The next prime is 85715417. The reversal of 85715414 is 41451758.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85715417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21428852 + ... + 21428855.

It is an arithmetic number, because the mean of its divisors is an integer number (32143281).

Almost surely, 2^85715414 is an apocalyptic number.

85715414 is a deficient number, since it is larger than the sum of its proper divisors (42857710).

85715414 is a wasteful number, since it uses less digits than its factorization.

85715414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42857709.

The product of its digits is 22400, while the sum is 35.

The square root of 85715414 is about 9258.2619319179. The cubic root of 85715414 is about 440.9130729200.

The spelling of 85715414 in words is "eighty-five million, seven hundred fifteen thousand, four hundred fourteen".