6999877228 has 24 divisors (see below), whose sum is σ = 12980302272. Its totient is φ = 3291535104.

The previous prime is 6999877169. The next prime is 6999877237. The reversal of 6999877228 is 8227789996.

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, 51450 + ... + 129022.

It is an arithmetic number, because the mean of its divisors is an integer number (540845928).

Almost surely, 2^6999877228 is an apocalyptic number.

6999877228 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6999877228 is a deficient number, since it is larger than the sum of its proper divisors (5980425044).

6999877228 is a wasteful number, since it uses less digits than its factorization.

6999877228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78921 (or 78919 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 67.

The square root of 6999877228 is about 83665.2689471563. The cubic root of 6999877228 is about 1912.9199991648.

The spelling of 6999877228 in words is "six billion, nine hundred ninety-nine million, eight hundred seventy-seven thousand, two hundred twenty-eight".