785328164 has 12 divisors (see below), whose sum is σ = 1377196800. Its totient is φ = 391843368.

The previous prime is 785328161. The next prime is 785328211. The reversal of 785328164 is 461823587.

It is a super-2 number, since 2×785328164² = 1233480650343221792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (785328161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203024 + ... + 206855.

It is an arithmetic number, because the mean of its divisors is an integer number (114766400).

Almost surely, 2^785328164 is an apocalyptic number.

It is an amenable number.

785328164 is a deficient number, since it is larger than the sum of its proper divisors (591868636).

785328164 is a wasteful number, since it uses less digits than its factorization.

785328164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410362 (or 410360 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 785328164 is about 28023.7071780305. The cubic root of 785328164 is about 922.6076632495.

The spelling of 785328164 in words is "seven hundred eighty-five million, three hundred twenty-eight thousand, one hundred sixty-four".