85712368601 has 2 divisors, whose sum is σ = 85712368602. Its totient is φ = 85712368600.

The previous prime is 85712368579. The next prime is 85712368631. The reversal of 85712368601 is 10686321758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84631537225 + 1080831376 = 290915^2 + 32876^2 .

It is a cyclic number.

It is not a de Polignac number, because 85712368601 - 2²⁶ = 85645259737 is a prime.

It is a super-2 number, since 2×85712368601² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85712368631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42856184300 + 42856184301.

It is an arithmetic number, because the mean of its divisors is an integer number (42856184301).

Almost surely, 2^85712368601 is an apocalyptic number.

It is an amenable number.

85712368601 is a deficient number, since it is larger than the sum of its proper divisors (1).

85712368601 is an equidigital number, since it uses as much as digits as its factorization.

85712368601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 85712368601 in words is "eighty-five billion, seven hundred twelve million, three hundred sixty-eight thousand, six hundred one".