766668048 has 20 divisors (see below), whose sum is σ = 1980559248. Its totient is φ = 255556000.

The previous prime is 766668013. The next prime is 766668101. The reversal of 766668048 is 840866667.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7986078 + ... + 7986173.

Almost surely, 2^766668048 is an apocalyptic number.

It is an amenable number.

766668048 is an abundant number, since it is smaller than the sum of its proper divisors (1213891200).

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

766668048 is a wasteful number, since it uses less digits than its factorization.

766668048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15972262 (or 15972256 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 766668048 is about 27688.7711536644. The cubic root of 766668048 is about 915.2416764340.

The spelling of 766668048 in words is "seven hundred sixty-six million, six hundred sixty-eight thousand, forty-eight".