76680667 has 4 divisors (see below), whose sum is σ = 87635056. Its totient is φ = 65726280.

The previous prime is 76680661. The next prime is 76680679. The reversal of 76680667 is 76608667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76680667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76680661) 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 3 ways as a sum of consecutive naturals, for example, 5477184 + ... + 5477197.

It is an arithmetic number, because the mean of its divisors is an integer number (21908764).

Almost surely, 2^76680667 is an apocalyptic number.

76680667 is a deficient number, since it is larger than the sum of its proper divisors (10954389).

76680667 is a wasteful number, since it uses less digits than its factorization.

76680667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954388.

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

The square root of 76680667 is about 8756.7497965855. The cubic root of 76680667 is about 424.8431568889.

The spelling of 76680667 in words is "seventy-six million, six hundred eighty thousand, six hundred sixty-seven".