6717776994 has 12 divisors (see below), whose sum is σ = 14555183526. Its totient is φ = 2239258992.

The previous prime is 6717776983. The next prime is 6717776999. The reversal of 6717776994 is 4996777176.

It can be written as a sum of positive squares in only one way, i.e., 6592628025 + 125148969 = 81195^2 + 11187^2 .

It is a super-2 number, since 2×6717776994² = 90257055482231352072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6717776999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186604899 + ... + 186604934.

Almost surely, 2^6717776994 is an apocalyptic number.

6717776994 is an abundant number, since it is smaller than the sum of its proper divisors (7837406532).

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

6717776994 is a wasteful number, since it uses less digits than its factorization.

6717776994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373209841 (or 373209838 counting only the distinct ones).

The product of its digits is 28005264, while the sum is 63.

The square root of 6717776994 is about 81962.0460579163. The cubic root of 6717776994 is about 1886.8694846133.

The spelling of 6717776994 in words is "six billion, seven hundred seventeen million, seven hundred seventy-six thousand, nine hundred ninety-four".