6964278997 has 16 divisors (see below), whose sum is σ = 7855263360. Its totient is φ = 6126132672.

The previous prime is 6964278989. The next prime is 6964279031. The reversal of 6964278997 is 7998724696.

6964278997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6964278997 - 2³ = 6964278989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6964278947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37138 + ... + 123724.

It is an arithmetic number, because the mean of its divisors is an integer number (490953960).

Almost surely, 2^6964278997 is an apocalyptic number.

It is an amenable number.

6964278997 is a deficient number, since it is larger than the sum of its proper divisors (890984363).

6964278997 is a wasteful number, since it uses less digits than its factorization.

6964278997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86892.

The product of its digits is 82301184, while the sum is 67.

The square root of 6964278997 is about 83452.2557933577. The cubic root of 6964278997 is about 1909.6717359343.

The spelling of 6964278997 in words is "six billion, nine hundred sixty-four million, two hundred seventy-eight thousand, nine hundred ninety-seven".