85417062769 has 2 divisors, whose sum is σ = 85417062770. Its totient is φ = 85417062768.

The previous prime is 85417062733. The next prime is 85417062817. The reversal of 85417062769 is 96726071458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70284372544 + 15132690225 = 265112^2 + 123015^2 .

It is a cyclic number.

It is not a de Polignac number, because 85417062769 - 2⁷ = 85417062641 is a prime.

It is a super-2 number, since 2×85417062769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85417060769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42708531384 + 42708531385.

It is an arithmetic number, because the mean of its divisors is an integer number (42708531385).

Almost surely, 2^85417062769 is an apocalyptic number.

It is an amenable number.

85417062769 is a deficient number, since it is larger than the sum of its proper divisors (1).

85417062769 is an equidigital number, since it uses as much as digits as its factorization.

85417062769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 85417062769 in words is "eighty-five billion, four hundred seventeen million, sixty-two thousand, seven hundred sixty-nine".