7286887680 has 72 divisors (see below), whose sum is σ = 23272509792. Its totient is φ = 1943169024.

The previous prime is 7286887679. The next prime is 7286887709. The reversal of 7286887680 is 867886827.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 944974 + ... + 952653.

Almost surely, 2^7286887680 is an apocalyptic number.

It is an amenable number.

7286887680 is an abundant number, since it is smaller than the sum of its proper divisors (15985622112).

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

7286887680 is a wasteful number, since it uses less digits than its factorization.

7286887680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897651 (or 1897637 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 60.

The square root of 7286887680 is about 85363.2689158516. The cubic root of 7286887680 is about 1938.7152438834.

The spelling of 7286887680 in words is "seven billion, two hundred eighty-six million, eight hundred eighty-seven thousand, six hundred eighty".