7765985 has 8 divisors (see below), whose sum is σ = 9335040. Its totient is φ = 6202224.

The previous prime is 7765969. The next prime is 7765987. The reversal of 7765985 is 5895677.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7765985 - 2⁴ = 7765969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7765987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3536 + ... + 5294.

It is an arithmetic number, because the mean of its divisors is an integer number (1166880).

Almost surely, 2^7765985 is an apocalyptic number.

It is an amenable number.

7765985 is a deficient number, since it is larger than the sum of its proper divisors (1569055).

7765985 is a wasteful number, since it uses less digits than its factorization.

7765985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647.

The product of its digits is 529200, while the sum is 47.

The square root of 7765985 is about 2786.7516932802. The cubic root of 7765985 is about 198.0305448915.

The spelling of 7765985 in words is "seven million, seven hundred sixty-five thousand, nine hundred eighty-five".