8257887230672 has 20 divisors (see below), whose sum is σ = 16003770709860. Its totient is φ = 4127881886208.

The previous prime is 8257887230641. The next prime is 8257887230779. The reversal of 8257887230672 is 2760327887528.

It can be written as a sum of positive squares in 2 ways, for example, as 6344877361216 + 1913009869456 = 2518904^2 + 1383116^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8257887230599 and 8257887230608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66293903 + ... + 66418350.

It is an arithmetic number, because the mean of its divisors is an integer number (800188535493).

Almost surely, 2^{8257887230672} is an apocalyptic number.

It is an amenable number.

8257887230672 is a deficient number, since it is larger than the sum of its proper divisors (7745883479188).

8257887230672 is a wasteful number, since it uses less digits than its factorization.

8257887230672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132716150 (or 132716144 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 65.

The spelling of 8257887230672 in words is "eight trillion, two hundred fifty-seven billion, eight hundred eighty-seven million, two hundred thirty thousand, six hundred seventy-two".