6888889136 has 10 divisors (see below), whose sum is σ = 13347222732. Its totient is φ = 3444444560.

The previous prime is 6888889127. The next prime is 6888889171. The reversal of 6888889136 is 6319888886.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215277770 + ... + 215277801.

Almost surely, 2^6888889136 is an apocalyptic number.

It is an amenable number.

6888889136 is a deficient number, since it is larger than the sum of its proper divisors (6458333596).

6888889136 is a wasteful number, since it uses less digits than its factorization.

6888889136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430555579 (or 430555573 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 65.

The square root of 6888889136 is about 82999.3321418914. The cubic root of 6888889136 is about 1902.7558472129.

The spelling of 6888889136 in words is "six billion, eight hundred eighty-eight million, eight hundred eighty-nine thousand, one hundred thirty-six".