8299132712872 has 8 divisors (see below), whose sum is σ = 15560873836650. Its totient is φ = 4149566356432.

The previous prime is 8299132712867. The next prime is 8299132712879. The reversal of 8299132712872 is 2782172319928.

It can be written as a sum of positive squares in only one way, i.e., 6826128134596 + 1473004578276 = 2612686^2 + 1213674^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8299132712872.

It is not an unprimeable number, because it can be changed into a prime (8299132712879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518695794547 + ... + 518695794562.

Almost surely, 2^{8299132712872} is an apocalyptic number.

It is an amenable number.

8299132712872 is a deficient number, since it is larger than the sum of its proper divisors (7261741123778).

8299132712872 is a wasteful number, since it uses less digits than its factorization.

8299132712872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037391589115 (or 1037391589111 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 61.

It can be divided in two parts, 8299132 and 712872, that added together give a square (9012004 = 3002²).

The spelling of 8299132712872 in words is "eight trillion, two hundred ninety-nine billion, one hundred thirty-two million, seven hundred twelve thousand, eight hundred seventy-two".