674784850782 has 32 divisors (see below), whose sum is σ = 1544112191232. Its totient is φ = 192577319424.

The previous prime is 674784850777. The next prime is 674784850801. The reversal of 674784850782 is 287058487476.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9060483 + ... + 9134654.

It is an arithmetic number, because the mean of its divisors is an integer number (48253505976).

Almost surely, 2^674784850782 is an apocalyptic number.

674784850782 is an abundant number, since it is smaller than the sum of its proper divisors (869327340450).

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

674784850782 is a wasteful number, since it uses less digits than its factorization.

674784850782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18196032.

The product of its (nonzero) digits is 168591360, while the sum is 66.

The spelling of 674784850782 in words is "six hundred seventy-four billion, seven hundred eighty-four million, eight hundred fifty thousand, seven hundred eighty-two".