85713761 has 4 divisors (see below), whose sum is σ = 97958592. Its totient is φ = 73468932.

The previous prime is 85713757. The next prime is 85713781. The reversal of 85713761 is 16731758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85713761 - 2² = 85713757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85713701) 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, 6122405 + ... + 6122418.

It is an arithmetic number, because the mean of its divisors is an integer number (24489648).

Almost surely, 2^85713761 is an apocalyptic number.

It is an amenable number.

85713761 is a deficient number, since it is larger than the sum of its proper divisors (12244831).

85713761 is a wasteful number, since it uses less digits than its factorization.

85713761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12244830.

The product of its digits is 35280, while the sum is 38.

The square root of 85713761 is about 9258.1726598719. The cubic root of 85713761 is about 440.9102386029.

The spelling of 85713761 in words is "eighty-five million, seven hundred thirteen thousand, seven hundred sixty-one".