85723255771 has 8 divisors (see below), whose sum is σ = 89913831840. Its totient is φ = 81571302912.

The previous prime is 85723255763. The next prime is 85723255789. The reversal of 85723255771 is 17755232758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85723255771 - 2³ = 85723255763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85723255571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9651256 + ... + 9660133.

It is an arithmetic number, because the mean of its divisors is an integer number (11239228980).

Almost surely, 2^85723255771 is an apocalyptic number.

85723255771 is a deficient number, since it is larger than the sum of its proper divisors (4190576069).

85723255771 is a wasteful number, since it uses less digits than its factorization.

85723255771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19311605.

The product of its digits is 4116000, while the sum is 52.

The spelling of 85723255771 in words is "eighty-five billion, seven hundred twenty-three million, two hundred fifty-five thousand, seven hundred seventy-one".