6799980388 has 6 divisors (see below), whose sum is σ = 11899965686. Its totient is φ = 3399990192.

The previous prime is 6799980377. The next prime is 6799980413. The reversal of 6799980388 is 8830899976.

It can be written as a sum of positive squares in only one way, i.e., 6480572004 + 319408384 = 80502^2 + 17872^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 849997545 + ... + 849997552.

Almost surely, 2^6799980388 is an apocalyptic number.

It is an amenable number.

6799980388 is a deficient number, since it is larger than the sum of its proper divisors (5099985298).

6799980388 is a wasteful number, since it uses less digits than its factorization.

6799980388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699995101 (or 1699995099 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 67.

The square root of 6799980388 is about 82461.9935970505. The cubic root of 6799980388 is about 1894.5346530147.

The spelling of 6799980388 in words is "six billion, seven hundred ninety-nine million, nine hundred eighty thousand, three hundred eighty-eight".