766679 has 2 divisors, whose sum is σ = 766680. Its totient is φ = 766678.

The previous prime is 766651. The next prime is 766687. The reversal of 766679 is 976667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 766679 - 2¹² = 762583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766609) 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 as a sum of consecutive naturals, namely, 383339 + 383340.

It is an arithmetic number, because the mean of its divisors is an integer number (383340).

2⁷⁶⁶⁶⁷⁹ is an apocalyptic number.

766679 is a deficient number, since it is larger than the sum of its proper divisors (1).

766679 is an equidigital number, since it uses as much as digits as its factorization.

766679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 766679 is about 875.6020785722. The cubic root of 766679 is about 91.5246034547.

The spelling of 766679 in words is "seven hundred sixty-six thousand, six hundred seventy-nine".