6880515690 has 32 divisors (see below), whose sum is σ = 16793127360. Its totient is φ = 1803705344.

The previous prime is 6880515683. The next prime is 6880515743. The reversal of 6880515690 is 965150886.

It is a super-2 number, since 2×6880515690² = 94682992320672352200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1941879 + ... + 1945418.

It is an arithmetic number, because the mean of its divisors is an integer number (524785230).

Almost surely, 2^6880515690 is an apocalyptic number.

6880515690 is an abundant number, since it is smaller than the sum of its proper divisors (9912611670).

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

6880515690 is a wasteful number, since it uses less digits than its factorization.

6880515690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887366.

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 6880515690 is about 82948.8739525739. The cubic root of 6880515690 is about 1901.9846012855.

The spelling of 6880515690 in words is "six billion, eight hundred eighty million, five hundred fifteen thousand, six hundred ninety".