673407766767 has 16 divisors (see below), whose sum is σ = 907200645120. Its totient is φ = 444277385472.

The previous prime is 673407766763. The next prime is 673407766861. The reversal of 673407766767 is 767667704376.

It is not a de Polignac number, because 673407766767 - 2² = 673407766763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673407766698 and 673407766707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673407766763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4223584 + ... + 4380122.

It is an arithmetic number, because the mean of its divisors is an integer number (56700040320).

Almost surely, 2^673407766767 is an apocalyptic number.

673407766767 is a deficient number, since it is larger than the sum of its proper divisors (233792878353).

673407766767 is a wasteful number, since it uses less digits than its factorization.

673407766767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171422.

The product of its (nonzero) digits is 261382464, while the sum is 66.

The spelling of 673407766767 in words is "six hundred seventy-three billion, four hundred seven million, seven hundred sixty-six thousand, seven hundred sixty-seven".