766461743864 has 16 divisors (see below), whose sum is σ = 1437132816720. Its totient is φ = 383226326080.

The previous prime is 766461743863. The next prime is 766461743867. The reversal of 766461743864 is 468347164667.

766461743864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 766461743797 and 766461743806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766461743863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211244 + ... + 1256004.

It is an arithmetic number, because the mean of its divisors is an integer number (89820801045).

Almost surely, 2^766461743864 is an apocalyptic number.

It is an amenable number.

766461743864 is a deficient number, since it is larger than the sum of its proper divisors (670671072856).

766461743864 is a wasteful number, since it uses less digits than its factorization.

766461743864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136470 (or 1136466 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 62.

The spelling of 766461743864 in words is "seven hundred sixty-six billion, four hundred sixty-one million, seven hundred forty-three thousand, eight hundred sixty-four".