6988705338 has 16 divisors (see below), whose sum is σ = 14799611520. Its totient is φ = 2192534976.

The previous prime is 6988705337. The next prime is 6988705349. The reversal of 6988705338 is 8335078896.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6988705337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34258258 + ... + 34258461.

It is an arithmetic number, because the mean of its divisors is an integer number (924975720).

Almost surely, 2^6988705338 is an apocalyptic number.

6988705338 is an abundant number, since it is smaller than the sum of its proper divisors (7810906182).

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

6988705338 is a wasteful number, since it uses less digits than its factorization.

6988705338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68516741.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The square root of 6988705338 is about 83598.4768880391. The cubic root of 6988705338 is about 1911.9017760051.

The spelling of 6988705338 in words is "six billion, nine hundred eighty-eight million, seven hundred five thousand, three hundred thirty-eight".