7685607660 has 24 divisors (see below), whose sum is σ = 21519701616. Its totient is φ = 2049495360.

The previous prime is 7685607653. The next prime is 7685607661. The reversal of 7685607660 is 667065867.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7685607661) 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, 64046671 + ... + 64046790.

It is an arithmetic number, because the mean of its divisors is an integer number (896654234).

Almost surely, 2^7685607660 is an apocalyptic number.

It is an amenable number.

7685607660 is an abundant number, since it is smaller than the sum of its proper divisors (13834093956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7685607660 is a wasteful number, since it uses less digits than its factorization.

7685607660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128093473 (or 128093471 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 7685607660 is about 87667.5975489234. The cubic root of 7685607660 is about 1973.4497398181.

The spelling of 7685607660 in words is "seven billion, six hundred eighty-five million, six hundred seven thousand, six hundred sixty".