872595851 has 2 divisors, whose sum is σ = 872595852. Its totient is φ = 872595850.

The previous prime is 872595821. The next prime is 872595859. The reversal of 872595851 is 158595278.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872595851 is a prime.

It is a super-2 number, since 2×872595851² = 1522847038364828402, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 872595851.

It is not a weakly prime, because it can be changed into another prime (872595859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436297925 + 436297926.

It is an arithmetic number, because the mean of its divisors is an integer number (436297926).

Almost surely, 2^872595851 is an apocalyptic number.

872595851 is a deficient number, since it is larger than the sum of its proper divisors (1).

872595851 is an equidigital number, since it uses as much as digits as its factorization.

872595851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 50.

The square root of 872595851 is about 29539.7334280457. The cubic root of 872595851 is about 955.5887932768.

The spelling of 872595851 in words is "eight hundred seventy-two million, five hundred ninety-five thousand, eight hundred fifty-one".