872070907 has 2 divisors, whose sum is σ = 872070908. Its totient is φ = 872070906.

The previous prime is 872070883. The next prime is 872070929. The reversal of 872070907 is 709070278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872070907 is a prime.

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 872070907.

It is not a weakly prime, because it can be changed into another prime (875070907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436035453 + 436035454.

It is an arithmetic number, because the mean of its divisors is an integer number (436035454).

Almost surely, 2^872070907 is an apocalyptic number.

872070907 is a deficient number, since it is larger than the sum of its proper divisors (1).

872070907 is an equidigital number, since it uses as much as digits as its factorization.

872070907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 872070907 is about 29530.8467030663. The cubic root of 872070907 is about 955.3971309594.

The spelling of 872070907 in words is "eight hundred seventy-two million, seventy thousand, nine hundred seven".