785123962564 has 6 divisors (see below), whose sum is σ = 1373966934494. Its totient is φ = 392561981280.

The previous prime is 785123962559. The next prime is 785123962607. The reversal of 785123962564 is 465269321587.

785123962564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 776791924164 + 8332038400 = 881358^2 + 91280^2 .

It is a junction number, because it is equal to n+sod(n) for n = 785123962499 and 785123962508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98140495317 + ... + 98140495324.

Almost surely, 2^785123962564 is an apocalyptic number.

It is an amenable number.

785123962564 is a deficient number, since it is larger than the sum of its proper divisors (588842971930).

785123962564 is a wasteful number, since it uses less digits than its factorization.

785123962564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196280990645 (or 196280990643 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 785123962564 in words is "seven hundred eighty-five billion, one hundred twenty-three million, nine hundred sixty-two thousand, five hundred sixty-four".