6777397233 has 6 divisors (see below), whose sum is σ = 9789573794. Its totient is φ = 4518264816.

The previous prime is 6777397177. The next prime is 6777397283. The reversal of 6777397233 is 3327937776.

It can be written as a sum of positive squares in only one way, i.e., 4007269809 + 2770127424 = 63303^2 + 52632^2 .

It is not a de Polignac number, because 6777397233 - 2⁹ = 6777396721 is a prime.

It is a super-2 number, since 2×6777397233² = 91866226507752112578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6777397233.

It is not an unprimeable number, because it can be changed into a prime (6777397283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376522060 + ... + 376522077.

Almost surely, 2^6777397233 is an apocalyptic number.

It is an amenable number.

6777397233 is a deficient number, since it is larger than the sum of its proper divisors (3012176561).

6777397233 is a wasteful number, since it uses less digits than its factorization.

6777397233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753044143 (or 753044140 counting only the distinct ones).

The product of its digits is 7001316, while the sum is 54.

The square root of 6777397233 is about 82324.9490312627. The cubic root of 6777397233 is about 1892.4350381012.

The spelling of 6777397233 in words is "six billion, seven hundred seventy-seven million, three hundred ninety-seven thousand, two hundred thirty-three".