785397563464 has 32 divisors (see below), whose sum is σ = 1484452005120. Its totient is φ = 389556144576.

The previous prime is 785397563459. The next prime is 785397563497. The reversal of 785397563464 is 464365793587.

785397563464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 785397563464.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272947 + ... + 1282690.

It is an arithmetic number, because the mean of its divisors is an integer number (46389125160).

Almost surely, 2^785397563464 is an apocalyptic number.

It is an amenable number.

785397563464 is a deficient number, since it is larger than the sum of its proper divisors (699054441656).

785397563464 is a wasteful number, since it uses less digits than its factorization.

785397563464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556149 (or 1556145 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 67.

The spelling of 785397563464 in words is "seven hundred eighty-five billion, three hundred ninety-seven million, five hundred sixty-three thousand, four hundred sixty-four".