766334688 has 48 divisors (see below), whose sum is σ = 2299006080. Its totient is φ = 218952576.

The previous prime is 766334651. The next prime is 766334707. The reversal of 766334688 is 886433667.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 766334688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569518 + ... + 570861.

It is an arithmetic number, because the mean of its divisors is an integer number (47895960).

Almost surely, 2^766334688 is an apocalyptic number.

It is an amenable number.

766334688 is an abundant number, since it is smaller than the sum of its proper divisors (1532671392).

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

766334688 is a wasteful number, since it uses less digits than its factorization.

766334688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140399 (or 1140391 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The square root of 766334688 is about 27682.7507303736. The cubic root of 766334688 is about 915.1090031089.

The spelling of 766334688 in words is "seven hundred sixty-six million, three hundred thirty-four thousand, six hundred eighty-eight".