8143264782 has 24 divisors (see below), whose sum is σ = 17658214704. Its totient is φ = 2712194784.

The previous prime is 8143264781. The next prime is 8143264817. The reversal of 8143264782 is 2874623418.

It is a happy number.

8143264782 is a `hidden beast` number, since 81 + 432 + 64 + 7 + 82 = 666.

It is a super-2 number, since 2×8143264782² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8143264781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162943 + ... + 206970.

It is an arithmetic number, because the mean of its divisors is an integer number (735758946).

Almost surely, 2^8143264782 is an apocalyptic number.

8143264782 is an abundant number, since it is smaller than the sum of its proper divisors (9514949922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8143264782 is a wasteful number, since it uses less digits than its factorization.

8143264782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371144 (or 371141 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 8143264782 is about 90240.0397938742. The cubic root of 8143264782 is about 2011.8681658471.

The spelling of 8143264782 in words is "eight billion, one hundred forty-three million, two hundred sixty-four thousand, seven hundred eighty-two".