782401485 has 16 divisors (see below), whose sum is σ = 1252293120. Its totient is φ = 417130560.

The previous prime is 782401463. The next prime is 782401531. The reversal of 782401485 is 584104287.

It is a happy number.

It is not a de Polignac number, because 782401485 - 2⁸ = 782401229 is a prime.

It is a super-2 number, since 2×782401485² = 1224304167460410450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 43140 + ... + 58530.

It is an arithmetic number, because the mean of its divisors is an integer number (78268320).

Almost surely, 2^782401485 is an apocalyptic number.

It is an amenable number.

782401485 is a deficient number, since it is larger than the sum of its proper divisors (469891635).

782401485 is a wasteful number, since it uses less digits than its factorization.

782401485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18788.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 782401485 is about 27971.4405242204. The cubic root of 782401485 is about 921.4601439472.

The spelling of 782401485 in words is "seven hundred eighty-two million, four hundred one thousand, four hundred eighty-five".