770063786866 has 32 divisors (see below), whose sum is σ = 1281086576640. Its totient is φ = 344203516800.

The previous prime is 770063786857. The next prime is 770063786911. The reversal of 770063786866 is 668687360077.

770063786866 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 = 770063786798 and 770063786807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5373775 + ... + 5515213.

It is an arithmetic number, because the mean of its divisors is an integer number (40033955520).

Almost surely, 2^770063786866 is an apocalyptic number.

770063786866 is a deficient number, since it is larger than the sum of its proper divisors (511022789774).

770063786866 is a wasteful number, since it uses less digits than its factorization.

770063786866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145570.

The product of its (nonzero) digits is 85349376, while the sum is 64.

The spelling of 770063786866 in words is "seven hundred seventy billion, sixty-three million, seven hundred eighty-six thousand, eight hundred sixty-six".