6978894352 has 20 divisors (see below), whose sum is σ = 13542146640. Its totient is φ = 3484146848.

The previous prime is 6978894343. The next prime is 6978894353. The reversal of 6978894352 is 2534988796.

It is not an unprimeable number, because it can be changed into a prime (6978894353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320398 + ... + 341485.

It is an arithmetic number, because the mean of its divisors is an integer number (677107332).

Almost surely, 2^6978894352 is an apocalyptic number.

It is an amenable number.

6978894352 is a deficient number, since it is larger than the sum of its proper divisors (6563252288).

6978894352 is a wasteful number, since it uses less digits than its factorization.

6978894352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662550 (or 662544 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 61.

The square root of 6978894352 is about 83539.7770645816. Note that the first 3 decimals coincide. The cubic root of 6978894352 is about 1911.0066924360.

The spelling of 6978894352 in words is "six billion, nine hundred seventy-eight million, eight hundred ninety-four thousand, three hundred fifty-two".