872975969 has 2 divisors, whose sum is σ = 872975970. Its totient is φ = 872975968.

The previous prime is 872975953. The next prime is 872976037. The reversal of 872975969 is 969579278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 848848225 + 24127744 = 29135^2 + 4912^2 .

It is a cyclic number.

It is not a de Polignac number, because 872975969 - 2⁴ = 872975953 is a prime.

It is a super-2 number, since 2×872975969² = 1524174084902977922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (872975569) 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, 436487984 + 436487985.

It is an arithmetic number, because the mean of its divisors is an integer number (436487985).

Almost surely, 2^872975969 is an apocalyptic number.

It is an amenable number.

872975969 is a deficient number, since it is larger than the sum of its proper divisors (1).

872975969 is an equidigital number, since it uses as much as digits as its factorization.

872975969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 62.

The square root of 872975969 is about 29546.1667395282. The cubic root of 872975969 is about 955.7275301919.

The spelling of 872975969 in words is "eight hundred seventy-two million, nine hundred seventy-five thousand, nine hundred sixty-nine".