7700085 has 24 divisors (see below), whose sum is σ = 13455000. Its totient is φ = 4073472.

The previous prime is 7700081. The next prime is 7700117. The reversal of 7700085 is 5800077.

It can be written as a sum of positive squares in 4 ways, for example, as 762129 + 6937956 = 873^2 + 2634^2 .

It is not a de Polignac number, because 7700085 - 2² = 7700081 is a prime.

7700085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7700081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5541 + ... + 6789.

It is an arithmetic number, because the mean of its divisors is an integer number (560625).

Almost surely, 2^7700085 is an apocalyptic number.

It is an amenable number.

7700085 is a deficient number, since it is larger than the sum of its proper divisors (5754915).

7700085 is a wasteful number, since it uses less digits than its factorization.

7700085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1394 counting only the distinct ones).

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

The square root of 7700085 is about 2774.9027009969. The cubic root of 7700085 is about 197.4688088327.

The spelling of 7700085 in words is "seven million, seven hundred thousand, eighty-five".