766667080 has 16 divisors (see below), whose sum is σ = 1725001020. Its totient is φ = 306666816.

The previous prime is 766667059. The next prime is 766667089. The reversal of 766667080 is 80766667.

It can be written as a sum of positive squares in 2 ways, for example, as 712996804 + 53670276 = 26702^2 + 7326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 766667080.

It is not an unprimeable number, because it can be changed into a prime (766667089) 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, 9583299 + ... + 9583378.

Almost surely, 2^766667080 is an apocalyptic number.

It is an amenable number.

766667080 is an abundant number, since it is smaller than the sum of its proper divisors (958333940).

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

766667080 is a wasteful number, since it uses less digits than its factorization.

766667080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19166688 (or 19166684 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 766667080 is about 27688.7536736488. The cubic root of 766667080 is about 915.2412912371.

The spelling of 766667080 in words is "seven hundred sixty-six million, six hundred sixty-seven thousand, eighty".