784349480818 has 32 divisors (see below), whose sum is σ = 1313457292800. Its totient is φ = 349102773504.

The previous prime is 784349480777. The next prime is 784349480819. The reversal of 784349480818 is 818084943487.

It is a super-2 number, since 2×784349480818² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 784349480818.

It is not an unprimeable number, because it can be changed into a prime (784349480819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608013 + ... + 1392256.

It is an arithmetic number, because the mean of its divisors is an integer number (41045540400).

Almost surely, 2^784349480818 is an apocalyptic number.

784349480818 is a deficient number, since it is larger than the sum of its proper divisors (529107811982).

784349480818 is a wasteful number, since it uses less digits than its factorization.

784349480818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000914.

The product of its (nonzero) digits is 49545216, while the sum is 64.

The spelling of 784349480818 in words is "seven hundred eighty-four billion, three hundred forty-nine million, four hundred eighty thousand, eight hundred eighteen".