7869601685 has 32 divisors (see below), whose sum is σ = 10768066560. Its totient is φ = 5465275200.

The previous prime is 7869601667. The next prime is 7869601693. The reversal of 7869601685 is 5861069687.

It is a happy number.

It is not a de Polignac number, because 7869601685 - 2²⁰ = 7868553109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7869601685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793286 + ... + 803144.

It is an arithmetic number, because the mean of its divisors is an integer number (336502080).

Almost surely, 2^7869601685 is an apocalyptic number.

It is an amenable number.

7869601685 is a deficient number, since it is larger than the sum of its proper divisors (2898464875).

7869601685 is a wasteful number, since it uses less digits than its factorization.

7869601685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10529.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 7869601685 is about 88710.7754728815. The cubic root of 7869601685 is about 1989.0738925342.

The spelling of 7869601685 in words is "seven billion, eight hundred sixty-nine million, six hundred one thousand, six hundred eighty-five".