85723264597 has 2 divisors, whose sum is σ = 85723264598. Its totient is φ = 85723264596.

The previous prime is 85723264579. The next prime is 85723264633. The reversal of 85723264597 is 79546232758.

It is a happy number.

Together with previous prime (85723264579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84961173361 + 762091236 = 291481^2 + 27606^2 .

It is a cyclic number.

It is not a de Polignac number, because 85723264597 - 2⁷ = 85723264469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85723264547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42861632298 + 42861632299.

It is an arithmetic number, because the mean of its divisors is an integer number (42861632299).

Almost surely, 2^85723264597 is an apocalyptic number.

It is an amenable number.

85723264597 is a deficient number, since it is larger than the sum of its proper divisors (1).

85723264597 is an equidigital number, since it uses as much as digits as its factorization.

85723264597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25401600, while the sum is 58.

The spelling of 85723264597 in words is "eighty-five billion, seven hundred twenty-three million, two hundred sixty-four thousand, five hundred ninety-seven".