872775653 has 2 divisors, whose sum is σ = 872775654. Its totient is φ = 872775652.

The previous prime is 872775559. The next prime is 872775707. The reversal of 872775653 is 356577278.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550465444 + 322310209 = 23462^2 + 17953^2 .

It is a cyclic number.

It is not a de Polignac number, because 872775653 - 2²⁸ = 604340197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872772653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436387826 + 436387827.

It is an arithmetic number, because the mean of its divisors is an integer number (436387827).

Almost surely, 2^872775653 is an apocalyptic number.

It is an amenable number.

872775653 is a deficient number, since it is larger than the sum of its proper divisors (1).

872775653 is an equidigital number, since it uses as much as digits as its factorization.

872775653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2469600, while the sum is 50.

The square root of 872775653 is about 29542.7766636787. The cubic root of 872775653 is about 955.6544231161.

The spelling of 872775653 in words is "eight hundred seventy-two million, seven hundred seventy-five thousand, six hundred fifty-three".