6773328997 has 16 divisors (see below), whose sum is σ = 7013160000. Its totient is φ = 6537573504.

The previous prime is 6773328979. The next prime is 6773329009. The reversal of 6773328997 is 7998233776.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6773328997 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 (6773328917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962129 + ... + 1965577.

It is an arithmetic number, because the mean of its divisors is an integer number (438322500).

Almost surely, 2^6773328997 is an apocalyptic number.

It is an amenable number.

6773328997 is a deficient number, since it is larger than the sum of its proper divisors (239831003).

6773328997 is a wasteful number, since it uses less digits than its factorization.

6773328997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020.

The product of its digits is 24004512, while the sum is 61.

The square root of 6773328997 is about 82300.2369194646. The cubic root of 6773328997 is about 1892.0563079853.

The spelling of 6773328997 in words is "six billion, seven hundred seventy-three million, three hundred twenty-eight thousand, nine hundred ninety-seven".