85715412 has 12 divisors (see below), whose sum is σ = 200002656. Its totient is φ = 28571800.

The previous prime is 85715407. The next prime is 85715417. The reversal of 85715412 is 21451758.

It is an interprime number because it is at equal distance from previous prime (85715407) and next prime (85715417).

It is a tau number, because it is divible by the number of its divisors (12).

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 in 3 ways as a sum of consecutive naturals, for example, 3571464 + ... + 3571487.

It is an arithmetic number, because the mean of its divisors is an integer number (16666888).

Almost surely, 2^85715412 is an apocalyptic number.

It is an amenable number.

85715412 is an abundant number, since it is smaller than the sum of its proper divisors (114287244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85715412 is a wasteful number, since it uses less digits than its factorization.

85715412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142958 (or 7142956 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 85715412 is about 9258.2618239063. The cubic root of 85715412 is about 440.9130694907.

The spelling of 85715412 in words is "eighty-five million, seven hundred fifteen thousand, four hundred twelve".