6986868398 has 8 divisors (see below), whose sum is σ = 10623868608. Its totient is φ = 3445578864.

The previous prime is 6986868391. The next prime is 6986868407. The reversal of 6986868398 is 8938686896.

6986868398 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6986868391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23927486 + ... + 23927777.

It is an arithmetic number, because the mean of its divisors is an integer number (1327983576).

Almost surely, 2^6986868398 is an apocalyptic number.

6986868398 is a deficient number, since it is larger than the sum of its proper divisors (3637000210).

6986868398 is a wasteful number, since it uses less digits than its factorization.

6986868398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47855338.

The product of its digits is 214990848, while the sum is 71.

The square root of 6986868398 is about 83587.4894825775. The cubic root of 6986868398 is about 1911.7342506228.

The spelling of 6986868398 in words is "six billion, nine hundred eighty-six million, eight hundred sixty-eight thousand, three hundred ninety-eight".