766474004089 has 2 divisors, whose sum is σ = 766474004090. Its totient is φ = 766474004088.

The previous prime is 766474004017. The next prime is 766474004111. The reversal of 766474004089 is 980400474667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 594325355625 + 172148648464 = 770925^2 + 414908^2 .

It is a cyclic number.

It is not a de Polignac number, because 766474004089 - 2⁷ = 766474003961 is a prime.

It is not a weakly prime, because it can be changed into another prime (766474004789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383237002044 + 383237002045.

It is an arithmetic number, because the mean of its divisors is an integer number (383237002045).

Almost surely, 2^766474004089 is an apocalyptic number.

It is an amenable number.

766474004089 is a deficient number, since it is larger than the sum of its proper divisors (1).

766474004089 is an equidigital number, since it uses as much as digits as its factorization.

766474004089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 766474004089 in words is "seven hundred sixty-six billion, four hundred seventy-four million, four thousand, eighty-nine".