782336164 has 12 divisors (see below), whose sum is σ = 1381649500. Its totient is φ = 387579168.

The previous prime is 782336123. The next prime is 782336179. The reversal of 782336164 is 461633287.

It can be written as a sum of positive squares in 2 ways, for example, as 564537600 + 217798564 = 23760^2 + 14758^2 .

It is a super-2 number, since 2×782336164² = 1224099747004469792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896739 + ... + 897610.

Almost surely, 2^782336164 is an apocalyptic number.

It is an amenable number.

782336164 is a deficient number, since it is larger than the sum of its proper divisors (599313336).

782336164 is a wasteful number, since it uses less digits than its factorization.

782336164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794462 (or 1794460 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 782336164 is about 27970.2728624517. The cubic root of 782336164 is about 921.4344996651.

The spelling of 782336164 in words is "seven hundred eighty-two million, three hundred thirty-six thousand, one hundred sixty-four".