7883682640 has 40 divisors (see below), whose sum is σ = 18347397120. Its totient is φ = 3150404736.

The previous prime is 7883682619. The next prime is 7883682659. The reversal of 7883682640 is 462863887.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35697 + ... + 130543.

It is an arithmetic number, because the mean of its divisors is an integer number (458684928).

Almost surely, 2^7883682640 is an apocalyptic number.

It is an amenable number.

7883682640 is an abundant number, since it is smaller than the sum of its proper divisors (10463714480).

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

7883682640 is a wasteful number, since it uses less digits than its factorization.

7883682640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95899 (or 95893 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 52.

The square root of 7883682640 is about 88790.1044035877. The cubic root of 7883682640 is about 1990.2595252547.

The spelling of 7883682640 in words is "seven billion, eight hundred eighty-three million, six hundred eighty-two thousand, six hundred forty".