6889138076 has 18 divisors (see below), whose sum is σ = 12169798368. Its totient is φ = 3412354120.

The previous prime is 6889138063. The next prime is 6889138079. The reversal of 6889138076 is 6708319886.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6889138079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29420 + ... + 121011.

Almost surely, 2^6889138076 is an apocalyptic number.

It is an amenable number.

6889138076 is a deficient number, since it is larger than the sum of its proper divisors (5280660292).

6889138076 is a wasteful number, since it uses less digits than its factorization.

6889138076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150649 (or 150540 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 6889138076 is about 83000.8317789647. The cubic root of 6889138076 is about 1902.7787665508.

The spelling of 6889138076 in words is "six billion, eight hundred eighty-nine million, one hundred thirty-eight thousand, seventy-six".