872865683 has 2 divisors, whose sum is σ = 872865684. Its totient is φ = 872865682.

The previous prime is 872865659. The next prime is 872865689. The reversal of 872865683 is 386568278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 872865683 - 2¹⁶ = 872800147 is a prime.

It is not a weakly prime, because it can be changed into another prime (872865689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436432841 + 436432842.

It is an arithmetic number, because the mean of its divisors is an integer number (436432842).

Almost surely, 2^872865683 is an apocalyptic number.

872865683 is a deficient number, since it is larger than the sum of its proper divisors (1).

872865683 is an equidigital number, since it uses as much as digits as its factorization.

872865683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 53.

The square root of 872865683 is about 29544.3003471059. The cubic root of 872865683 is about 955.6872817357.

The spelling of 872865683 in words is "eight hundred seventy-two million, eight hundred sixty-five thousand, six hundred eighty-three".