782389130497 has 8 divisors (see below), whose sum is σ = 842629784360. Its totient is φ = 722156601600.

The previous prime is 782389130489. The next prime is 782389130507. The reversal of 782389130497 is 794031983287.

It can be written as a sum of positive squares in 4 ways, for example, as 16569868176 + 765819262321 = 128724^2 + 875111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 782389130497 - 2³ = 782389130489 is a prime.

It is a super-2 number, since 2×782389130497² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (782389130417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830504 + ... + 2217097.

It is an arithmetic number, because the mean of its divisors is an integer number (105328723045).

Almost surely, 2^782389130497 is an apocalyptic number.

It is an amenable number.

782389130497 is a deficient number, since it is larger than the sum of its proper divisors (60240653863).

782389130497 is a wasteful number, since it uses less digits than its factorization.

782389130497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062483.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 782389130497 in words is "seven hundred eighty-two billion, three hundred eighty-nine million, one hundred thirty thousand, four hundred ninety-seven".