782132261 has 8 divisors (see below), whose sum is σ = 796342560. Its totient is φ = 767953872.

The previous prime is 782132249. The next prime is 782132269. The reversal of 782132261 is 162231287.

782132261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 782132261 - 2¹⁰ = 782131237 is a prime.

It is a super-2 number, since 2×782132261² = 1223461747393944242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782132269) 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, 44591 + ... + 59603.

It is an arithmetic number, because the mean of its divisors is an integer number (99542820).

Almost surely, 2^782132261 is an apocalyptic number.

It is an amenable number.

782132261 is a deficient number, since it is larger than the sum of its proper divisors (14210299).

782132261 is a wasteful number, since it uses less digits than its factorization.

782132261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15955.

The product of its digits is 8064, while the sum is 32.

The square root of 782132261 is about 27966.6276300880. The cubic root of 782132261 is about 921.3544404814.

The spelling of 782132261 in words is "seven hundred eighty-two million, one hundred thirty-two thousand, two hundred sixty-one".