8182736872 has 8 divisors (see below), whose sum is σ = 15342631650. Its totient is φ = 4091368432.

The previous prime is 8182736869. The next prime is 8182736893. The reversal of 8182736872 is 2786372818.

It can be written as a sum of positive squares in only one way, i.e., 7574917156 + 607819716 = 87034^2 + 24654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511421047 + ... + 511421062.

Almost surely, 2^8182736872 is an apocalyptic number.

It is an amenable number.

8182736872 is a deficient number, since it is larger than the sum of its proper divisors (7159894778).

8182736872 is a wasteful number, since it uses less digits than its factorization.

8182736872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022842115 (or 1022842111 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 52.

The square root of 8182736872 is about 90458.4814818378. The cubic root of 8182736872 is about 2015.1135749064.

The spelling of 8182736872 in words is "eight billion, one hundred eighty-two million, seven hundred thirty-six thousand, eight hundred seventy-two".