766327567677 has 64 divisors (see below), whose sum is σ = 1226212233216. Its totient is φ = 416220456960.

The previous prime is 766327567613. The next prime is 766327567693. The reversal of 766327567677 is 776765723667.

It is not a de Polignac number, because 766327567677 - 2⁶ = 766327567613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766327567177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68581863 + ... + 68593035.

It is an arithmetic number, because the mean of its divisors is an integer number (19159566144).

Almost surely, 2^766327567677 is an apocalyptic number.

It is an amenable number.

766327567677 is a deficient number, since it is larger than the sum of its proper divisors (459884665539).

766327567677 is a wasteful number, since it uses less digits than its factorization.

766327567677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12090.

The product of its digits is 653456160, while the sum is 69.

The spelling of 766327567677 in words is "seven hundred sixty-six billion, three hundred twenty-seven million, five hundred sixty-seven thousand, six hundred seventy-seven".