784679056 has 20 divisors (see below), whose sum is σ = 1737503872. Its totient is φ = 336290976.

The previous prime is 784678991. The next prime is 784679057. The reversal of 784679056 is 650976487.

It is a happy number.

It is a super-2 number, since 2×784679056² = 1231442441850102272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 784678994 and 784679012.

It is not an unprimeable number, because it can be changed into a prime (784679057) by changing a digit.

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, 3502920 + ... + 3503143.

Almost surely, 2^784679056 is an apocalyptic number.

It is an amenable number.

784679056 is an abundant number, since it is smaller than the sum of its proper divisors (952824816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

784679056 is a wasteful number, since it uses less digits than its factorization.

784679056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7006078 (or 7006072 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 784679056 is about 28012.1233754244. The cubic root of 784679056 is about 922.3534013514.

The spelling of 784679056 in words is "seven hundred eighty-four million, six hundred seventy-nine thousand, fifty-six".