7686662480 has 80 divisors (see below), whose sum is σ = 20521674624. Its totient is φ = 2622896640.

The previous prime is 7686662479. The next prime is 7686662509. The reversal of 7686662480 is 842666867.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85634 + ... + 150686.

Almost surely, 2^7686662480 is an apocalyptic number.

7686662480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7686662480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10260837312).

7686662480 is an abundant number, since it is smaller than the sum of its proper divisors (12835012144).

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

7686662480 is a wasteful number, since it uses less digits than its factorization.

7686662480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65284 (or 65278 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

The square root of 7686662480 is about 87673.6133622882. The cubic root of 7686662480 is about 1973.5400184758.

The spelling of 7686662480 in words is "seven billion, six hundred eighty-six million, six hundred sixty-two thousand, four hundred eighty".