784772012 has 12 divisors (see below), whose sum is σ = 1378574736. Its totient is φ = 390893520.

The previous prime is 784771997. The next prime is 784772033. The reversal of 784772012 is 210277487.

It is a happy number.

It is a super-2 number, since 2×784772012² = 1231734221637056288, which contains 22 as substring.

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, 371939 + ... + 374042.

It is an arithmetic number, because the mean of its divisors is an integer number (114881228).

Almost surely, 2^784772012 is an apocalyptic number.

It is an amenable number.

784772012 is a deficient number, since it is larger than the sum of its proper divisors (593802724).

784772012 is a wasteful number, since it uses less digits than its factorization.

784772012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746248 (or 746246 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 784772012 is about 28013.7825364587. The cubic root of 784772012 is about 922.3898217183.

The spelling of 784772012 in words is "seven hundred eighty-four million, seven hundred seventy-two thousand, twelve".