6978813714 has 24 divisors (see below), whose sum is σ = 15680792400. Its totient is φ = 2326271076.

The previous prime is 6978813689. The next prime is 6978813781. The reversal of 6978813714 is 4173188796.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7179364 + ... + 7180335.

It is an arithmetic number, because the mean of its divisors is an integer number (653366350).

Almost surely, 2^6978813714 is an apocalyptic number.

6978813714 is an abundant number, since it is smaller than the sum of its proper divisors (8701978686).

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

6978813714 is a wasteful number, since it uses less digits than its factorization.

6978813714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14359716 (or 14359704 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 6978813714 is about 83539.2944308246. The cubic root of 6978813714 is about 1910.9993321321. Note that the first 3 decimals are identical.

The spelling of 6978813714 in words is "six billion, nine hundred seventy-eight million, eight hundred thirteen thousand, seven hundred fourteen".