770085 has 24 divisors (see below), whose sum is σ = 1355640. Its totient is φ = 404352.

The previous prime is 770069. The next prime is 770101. The reversal of 770085 is 580077.

It is an interprime number because it is at equal distance from previous prime (770069) and next prime (770101).

It can be written as a sum of positive squares in 4 ways, for example, as 74529 + 695556 = 273^2 + 834^2 .

It is not a de Polignac number, because 770085 - 2⁴ = 770069 is a prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 770085.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4827 + ... + 4983.

It is an arithmetic number, because the mean of its divisors is an integer number (56485).

2⁷⁷⁰⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

770085 is a deficient number, since it is larger than the sum of its proper divisors (585555).

770085 is a wasteful number, since it uses less digits than its factorization.

770085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 770085 is about 877.5448706476. The cubic root of 770085 is about 91.6599370634.

The spelling of 770085 in words is "seven hundred seventy thousand, eighty-five".