6900986888 has 16 divisors (see below), whose sum is σ = 12952189500. Its totient is φ = 3447069696.

The previous prime is 6900986831. The next prime is 6900986899. The reversal of 6900986888 is 8886890096.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6836313124 + 64673764 = 82682^2 + 8042^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6900986888.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419393 + ... + 435536.

Almost surely, 2^6900986888 is an apocalyptic number.

It is an amenable number.

6900986888 is a deficient number, since it is larger than the sum of its proper divisors (6051202612).

6900986888 is a wasteful number, since it uses less digits than its factorization.

6900986888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855944 (or 855940 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 62.

The square root of 6900986888 is about 83072.1787844763. The cubic root of 6900986888 is about 1903.8690216906.

The spelling of 6900986888 in words is "six billion, nine hundred million, nine hundred eighty-six thousand, eight hundred eighty-eight".