7685361984 has 56 divisors (see below), whose sum is σ = 21404417440. Its totient is φ = 2426955264.

The previous prime is 7685361961. The next prime is 7685361997. The reversal of 7685361984 is 4891635867.

It is a super-2 number, since 2×7685361984² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049719 + ... + 1057014.

It is an arithmetic number, because the mean of its divisors is an integer number (382221740).

Almost surely, 2^7685361984 is an apocalyptic number.

It is an amenable number.

7685361984 is an abundant number, since it is smaller than the sum of its proper divisors (13719055456).

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

7685361984 is a wasteful number, since it uses less digits than its factorization.

7685361984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106767 (or 2106757 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The square root of 7685361984 is about 87666.1963586878. The cubic root of 7685361984 is about 1973.4287120119.

The spelling of 7685361984 in words is "seven billion, six hundred eighty-five million, three hundred sixty-one thousand, nine hundred eighty-four".