872038369 has 2 divisors, whose sum is σ = 872038370. Its totient is φ = 872038368.

The previous prime is 872038357. The next prime is 872038373. The reversal of 872038369 is 963830278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666259344 + 205779025 = 25812^2 + 14345^2 .

It is a cyclic number.

It is not a de Polignac number, because 872038369 - 2²⁵ = 838483937 is a prime.

It is a super-2 number, since 2×872038369² = 1520901834016360322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (872038319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436019184 + 436019185.

It is an arithmetic number, because the mean of its divisors is an integer number (436019185).

Almost surely, 2^872038369 is an apocalyptic number.

It is an amenable number.

872038369 is a deficient number, since it is larger than the sum of its proper divisors (1).

872038369 is an equidigital number, since it uses as much as digits as its factorization.

872038369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 872038369 is about 29530.2957824672. The cubic root of 872038369 is about 955.3852484782.

It can be divided in two parts, 8720 and 38369, that added together give a square (47089 = 217²).

The spelling of 872038369 in words is "eight hundred seventy-two million, thirty-eight thousand, three hundred sixty-nine".