6988888896 has 112 divisors (see below), whose sum is σ = 20514746880. Its totient is φ = 2081912320.

The previous prime is 6988888873. The next prime is 6988888909.

6988888896 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96565 + ... + 152651.

Almost surely, 2^6988888896 is an apocalyptic number.

6988888896 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6988888896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10257373440).

6988888896 is an abundant number, since it is smaller than the sum of its proper divisors (13525857984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6988888896 is a wasteful number, since it uses less digits than its factorization.

6988888896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56172 (or 56162 counting only the distinct ones).

The product of its digits is 764411904, while the sum is 78.

The square root of 6988888896 is about 83599.5747357605. The cubic root of 6988888896 is about 1911.9185145271.

The spelling of 6988888896 in words is "six billion, nine hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred ninety-six".