872247433 has 2 divisors, whose sum is σ = 872247434. Its totient is φ = 872247432.

The previous prime is 872247427. The next prime is 872247449. The reversal of 872247433 is 334742278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 842566729 + 29680704 = 29027^2 + 5448^2 .

It is a cyclic number.

It is not a de Polignac number, because 872247433 - 2¹⁷ = 872116361 is a prime.

It is not a weakly prime, because it can be changed into another prime (872247533) 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, 436123716 + 436123717.

It is an arithmetic number, because the mean of its divisors is an integer number (436123717).

Almost surely, 2^872247433 is an apocalyptic number.

It is an amenable number.

872247433 is a deficient number, since it is larger than the sum of its proper divisors (1).

872247433 is an equidigital number, since it uses as much as digits as its factorization.

872247433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 40.

The square root of 872247433 is about 29533.8353926475. The cubic root of 872247433 is about 955.4615909531.

The spelling of 872247433 in words is "eight hundred seventy-two million, two hundred forty-seven thousand, four hundred thirty-three".