872874281 has 2 divisors, whose sum is σ = 872874282. Its totient is φ = 872874280.

The previous prime is 872874259. The next prime is 872874287. The reversal of 872874281 is 182478278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 811110400 + 61763881 = 28480^2 + 7859^2 .

It is a cyclic number.

It is not a de Polignac number, because 872874281 - 2¹⁰ = 872873257 is a prime.

It is a super-2 number, since 2×872874281² = 1523819020862533922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (872874287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436437140 + 436437141.

It is an arithmetic number, because the mean of its divisors is an integer number (436437141).

Almost surely, 2^872874281 is an apocalyptic number.

It is an amenable number.

872874281 is a deficient number, since it is larger than the sum of its proper divisors (1).

872874281 is an equidigital number, since it uses as much as digits as its factorization.

872874281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 401408, while the sum is 47.

The square root of 872874281 is about 29544.4458570473. The cubic root of 872874281 is about 955.6904196649.

The spelling of 872874281 in words is "eight hundred seventy-two million, eight hundred seventy-four thousand, two hundred eighty-one".