6978867963 has 32 divisors (see below), whose sum is σ = 9766920192. Its totient is φ = 4427136000.

The previous prime is 6978867953. The next prime is 6978868007. The reversal of 6978867963 is 3697688796.

It is not a de Polignac number, because 6978867963 - 2¹² = 6978863867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6978867953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2490163 + ... + 2492963.

It is an arithmetic number, because the mean of its divisors is an integer number (305216256).

Almost surely, 2^6978867963 is an apocalyptic number.

6978867963 is a deficient number, since it is larger than the sum of its proper divisors (2788052229).

6978867963 is a wasteful number, since it uses less digits than its factorization.

6978867963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275.

The product of its digits is 164602368, while the sum is 69.

The square root of 6978867963 is about 83539.6191217078. The cubic root of 6978867963 is about 1911.0042837632.

The spelling of 6978867963 in words is "six billion, nine hundred seventy-eight million, eight hundred sixty-seven thousand, nine hundred sixty-three".