766777213342 has 48 divisors (see below), whose sum is σ = 1348139581200. Its totient is φ = 326117135232.

The previous prime is 766777213333. The next prime is 766777213343. The reversal of 766777213342 is 243312777667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766777213343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55026208 + ... + 55040140.

It is an arithmetic number, because the mean of its divisors is an integer number (28086241275).

Almost surely, 2^766777213342 is an apocalyptic number.

766777213342 is a deficient number, since it is larger than the sum of its proper divisors (581362367858).

766777213342 is a wasteful number, since it uses less digits than its factorization.

766777213342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18185 (or 18178 counting only the distinct ones).

The product of its digits is 12446784, while the sum is 55.

The spelling of 766777213342 in words is "seven hundred sixty-six billion, seven hundred seventy-seven million, two hundred thirteen thousand, three hundred forty-two".