6961000779 has 12 divisors (see below), whose sum is σ = 10080110976. Its totient is φ = 4628975472.

The previous prime is 6961000771. The next prime is 6961000799. The reversal of 6961000779 is 9770001696.

It is not a de Polignac number, because 6961000779 - 2³ = 6961000771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6961000771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 970539 + ... + 977684.

It is an arithmetic number, because the mean of its divisors is an integer number (840009248).

Almost surely, 2^6961000779 is an apocalyptic number.

6961000779 is a deficient number, since it is larger than the sum of its proper divisors (3119110197).

6961000779 is a wasteful number, since it uses less digits than its factorization.

6961000779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948626 (or 1948623 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 6961000779 is about 83432.6122029030. The cubic root of 6961000779 is about 1909.3720493574.

The spelling of 6961000779 in words is "six billion, nine hundred sixty-one million, seven hundred seventy-nine", and thus it is an aban number.