85713971 has 16 divisors (see below), whose sum is σ = 100074240. Its totient is φ = 71897760.

The previous prime is 85713931. The next prime is 85713989. The reversal of 85713971 is 17931758.

It is a cyclic number.

It is not a de Polignac number, because 85713971 - 2¹⁰ = 85712947 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85713931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83441 + ... + 84461.

It is an arithmetic number, because the mean of its divisors is an integer number (6254640).

Almost surely, 2^85713971 is an apocalyptic number.

85713971 is a deficient number, since it is larger than the sum of its proper divisors (14360269).

85713971 is a wasteful number, since it uses less digits than its factorization.

85713971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its digits is 52920, while the sum is 41.

The square root of 85713971 is about 9258.1840011959. The cubic root of 85713971 is about 440.9105986815.

The spelling of 85713971 in words is "eighty-five million, seven hundred thirteen thousand, nine hundred seventy-one".