782489506 has 16 divisors (see below), whose sum is σ = 1196402400. Its totient is φ = 383719648.

The previous prime is 782489503. The next prime is 782489531. The reversal of 782489506 is 605984287.

It is a super-2 number, since 2×782489506² = 1224579654000248072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 782489506.

It is not an unprimeable number, because it can be changed into a prime (782489503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44790 + ... + 59758.

It is an arithmetic number, because the mean of its divisors is an integer number (74775150).

Almost surely, 2^782489506 is an apocalyptic number.

782489506 is a deficient number, since it is larger than the sum of its proper divisors (413912894).

782489506 is a wasteful number, since it uses less digits than its factorization.

782489506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15473.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 782489506 is about 27973.0138883889. The cubic root of 782489506 is about 921.4946977339.

The spelling of 782489506 in words is "seven hundred eighty-two million, four hundred eighty-nine thousand, five hundred six".