785049812 has 6 divisors (see below), whose sum is σ = 1373837178. Its totient is φ = 392524904.

The previous prime is 785049803. The next prime is 785049827. The reversal of 785049812 is 218940587.

It can be written as a sum of positive squares in only one way, i.e., 781537936 + 3511876 = 27956^2 + 1874^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98131223 + ... + 98131230.

It is an arithmetic number, because the mean of its divisors is an integer number (228972863).

Almost surely, 2^785049812 is an apocalyptic number.

It is an amenable number.

785049812 is a deficient number, since it is larger than the sum of its proper divisors (588787366).

785049812 is a wasteful number, since it uses less digits than its factorization.

785049812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196262457 (or 196262455 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 785049812 is about 28018.7403714014. The cubic root of 785049812 is about 922.4986472367.

The spelling of 785049812 in words is "seven hundred eighty-five million, forty-nine thousand, eight hundred twelve".