6880268991 has 16 divisors (see below), whose sum is σ = 9496488960. Its totient is φ = 4426287360.

The previous prime is 6880268971. The next prime is 6880269007. The reversal of 6880268991 is 1998620886.

It is not a de Polignac number, because 6880268991 - 2⁵ = 6880268959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880268911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71961 + ... + 137618.

It is an arithmetic number, because the mean of its divisors is an integer number (593530560).

Almost surely, 2^6880268991 is an apocalyptic number.

6880268991 is a deficient number, since it is larger than the sum of its proper divisors (2616219969).

6880268991 is a wasteful number, since it uses less digits than its factorization.

6880268991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209966.

The product of its (nonzero) digits is 2985984, while the sum is 57.

The square root of 6880268991 is about 82947.3868846994. The cubic root of 6880268991 is about 1901.9618693021.

The spelling of 6880268991 in words is "six billion, eight hundred eighty million, two hundred sixty-eight thousand, nine hundred ninety-one".