85651267579 has 2 divisors, whose sum is σ = 85651267580. Its totient is φ = 85651267578.

The previous prime is 85651267529. The next prime is 85651267591. The reversal of 85651267579 is 97576215658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85651267579 - 2⁹ = 85651267067 is a prime.

It is a super-2 number, since 2×85651267579² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85651267529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42825633789 + 42825633790.

It is an arithmetic number, because the mean of its divisors is an integer number (42825633790).

Almost surely, 2^85651267579 is an apocalyptic number.

85651267579 is a deficient number, since it is larger than the sum of its proper divisors (1).

85651267579 is an equidigital number, since it uses as much as digits as its factorization.

85651267579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752000, while the sum is 61.

The spelling of 85651267579 in words is "eighty-five billion, six hundred fifty-one million, two hundred sixty-seven thousand, five hundred seventy-nine".