785636996 has 6 divisors (see below), whose sum is σ = 1374864750. Its totient is φ = 392818496.

The previous prime is 785636993. The next prime is 785637001. The reversal of 785636996 is 699636587.

It can be written as a sum of positive squares in only one way, i.e., 765296896 + 20340100 = 27664^2 + 4510^2 .

It is not an unprimeable number, because it can be changed into a prime (785636993) by changing a digit.

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 as a sum of consecutive naturals, namely, 98204621 + ... + 98204628.

It is an arithmetic number, because the mean of its divisors is an integer number (229144125).

Almost surely, 2^785636996 is an apocalyptic number.

It is an amenable number.

785636996 is a deficient number, since it is larger than the sum of its proper divisors (589227754).

785636996 is a wasteful number, since it uses less digits than its factorization.

785636996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196409253 (or 196409251 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 59.

The square root of 785636996 is about 28029.2168281599. The cubic root of 785636996 is about 922.7285865531.

The spelling of 785636996 in words is "seven hundred eighty-five million, six hundred thirty-six thousand, nine hundred ninety-six".