6978469356 has 48 divisors (see below), whose sum is σ = 18271488480. Its totient is φ = 2303121600.

The previous prime is 6978469331. The next prime is 6978469361. The reversal of 6978469356 is 6539648796.

It is a junction number, because it is equal to n+sod(n) for n = 6978469293 and 6978469302.

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, 308971 + ... + 330786.

It is an arithmetic number, because the mean of its divisors is an integer number (380656010).

Almost surely, 2^6978469356 is an apocalyptic number.

It is an amenable number.

6978469356 is an abundant number, since it is smaller than the sum of its proper divisors (11293019124).

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

6978469356 is a wasteful number, since it uses less digits than its factorization.

6978469356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639871 (or 639863 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The square root of 6978469356 is about 83537.2333513626. The cubic root of 6978469356 is about 1910.9678999165.

The spelling of 6978469356 in words is "six billion, nine hundred seventy-eight million, four hundred sixty-nine thousand, three hundred fifty-six".