7782332864 has 28 divisors (see below), whose sum is σ = 15454070184. Its totient is φ = 3888393984.

The previous prime is 7782332863. The next prime is 7782332867. The reversal of 7782332864 is 4682332877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7782332861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48722 + ... + 133934.

It is an arithmetic number, because the mean of its divisors is an integer number (551931078).

Almost surely, 2^7782332864 is an apocalyptic number.

It is an amenable number.

7782332864 is a deficient number, since it is larger than the sum of its proper divisors (7671737320).

7782332864 is a wasteful number, since it uses less digits than its factorization.

7782332864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86652 (or 86642 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 50.

The square root of 7782332864 is about 88217.5315002636. The cubic root of 7782332864 is about 1981.6940289187.

The spelling of 7782332864 in words is "seven billion, seven hundred eighty-two million, three hundred thirty-two thousand, eight hundred sixty-four".