6978500512 has 24 divisors (see below), whose sum is σ = 13766935392. Its totient is φ = 3482136000.

The previous prime is 6978500509. The next prime is 6978500531. The reversal of 6978500512 is 2150058796.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206364 + ... + 237787.

It is an arithmetic number, because the mean of its divisors is an integer number (573622308).

Almost surely, 2^6978500512 is an apocalyptic number.

It is an amenable number.

6978500512 is a deficient number, since it is larger than the sum of its proper divisors (6788434880).

6978500512 is a wasteful number, since it uses less digits than its factorization.

6978500512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444652 (or 444644 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 6978500512 is about 83537.4198308758. The cubic root of 6978500512 is about 1910.9707438079.

The spelling of 6978500512 in words is "six billion, nine hundred seventy-eight million, five hundred thousand, five hundred twelve".