785664461968 has 20 divisors (see below), whose sum is σ = 1522283661360. Its totient is φ = 392817065504.

The previous prime is 785664461929. The next prime is 785664461987. The reversal of 785664461968 is 869164466587.

It is a junction number, because it is equal to n+sod(n) for n = 785664461897 and 785664461906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514438 + ... + 1354981.

It is an arithmetic number, because the mean of its divisors is an integer number (76114183068).

Almost surely, 2^785664461968 is an apocalyptic number.

It is an amenable number.

785664461968 is a deficient number, since it is larger than the sum of its proper divisors (736619199392).

785664461968 is a wasteful number, since it uses less digits than its factorization.

785664461968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895694 (or 1895688 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 70.

The spelling of 785664461968 in words is "seven hundred eighty-five billion, six hundred sixty-four million, four hundred sixty-one thousand, nine hundred sixty-eight".