766933128 has 48 divisors (see below), whose sum is σ = 2236891020. Its totient is φ = 235979136.

The previous prime is 766933117. The next prime is 766933177. The reversal of 766933128 is 821339667.

766933128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 717061284 + 49871844 = 26778^2 + 7062^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408751 + ... + 410622.

Almost surely, 2^766933128 is an apocalyptic number.

766933128 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

766933128 is an abundant number, since it is smaller than the sum of its proper divisors (1469957892).

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

766933128 is a wasteful number, since it uses less digits than its factorization.

766933128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819398 (or 819391 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 766933128 is about 27693.5575179499. The cubic root of 766933128 is about 915.3471476819.

The spelling of 766933128 in words is "seven hundred sixty-six million, nine hundred thirty-three thousand, one hundred twenty-eight".