782458317712 has 10 divisors (see below), whose sum is σ = 1516012990598. Its totient is φ = 391229158848.

The previous prime is 782458317703. The next prime is 782458317713. The reversal of 782458317712 is 217713854287.

It can be written as a sum of positive squares in only one way, i.e., 608799425536 + 173658892176 = 780256^2 + 416724^2 .

It is a super-2 number, since 2×782458317712² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (782458317713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24451822413 + ... + 24451822444.

Almost surely, 2^782458317712 is an apocalyptic number.

It is an amenable number.

782458317712 is a deficient number, since it is larger than the sum of its proper divisors (733554672886).

782458317712 is a wasteful number, since it uses less digits than its factorization.

782458317712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48903644865 (or 48903644859 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 55.

The spelling of 782458317712 in words is "seven hundred eighty-two billion, four hundred fifty-eight million, three hundred seventeen thousand, seven hundred twelve".