777668232 has 128 divisors (see below), whose sum is σ = 2206310400. Its totient is φ = 226291200.

The previous prime is 777668191. The next prime is 777668237. The reversal of 777668232 is 232866777.

It is not an unprimeable number, because it can be changed into a prime (777668237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1366444 + ... + 1367012.

It is an arithmetic number, because the mean of its divisors is an integer number (17236800).

Almost surely, 2^777668232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 777668232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103155200).

777668232 is an abundant number, since it is smaller than the sum of its proper divisors (1428642168).

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

777668232 is a wasteful number, since it uses less digits than its factorization.

777668232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 783 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 48.

The square root of 777668232 is about 27886.7034982624. The cubic root of 777668232 is about 919.5982146006.

The spelling of 777668232 in words is "seven hundred seventy-seven million, six hundred sixty-eight thousand, two hundred thirty-two".