782472799 has 2 divisors, whose sum is σ = 782472800. Its totient is φ = 782472798.

The previous prime is 782472797. The next prime is 782472827. The reversal of 782472799 is 997274287.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (997274287) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 782472799 - 2¹ = 782472797 is a prime.

It is a super-2 number, since 2×782472799² = 1224527362349788802, which contains 22 as substring.

Together with 782472797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (782472791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391236399 + 391236400.

It is an arithmetic number, because the mean of its divisors is an integer number (391236400).

Almost surely, 2^782472799 is an apocalyptic number.

782472799 is a deficient number, since it is larger than the sum of its proper divisors (1).

782472799 is an equidigital number, since it uses as much as digits as its factorization.

782472799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 55.

The square root of 782472799 is about 27972.7152596955. The cubic root of 782472799 is about 921.4881393833.

The spelling of 782472799 in words is "seven hundred eighty-two million, four hundred seventy-two thousand, seven hundred ninety-nine".