872398853 has 2 divisors, whose sum is σ = 872398854. Its totient is φ = 872398852.

The previous prime is 872398847. The next prime is 872398859. The reversal of 872398853 is 358893278.

It is a balanced prime because it is at equal distance from previous prime (872398847) and next prime (872398859).

It can be written as a sum of positive squares in only one way, i.e., 604028929 + 268369924 = 24577^2 + 16382^2 .

It is a cyclic number.

It is not a de Polignac number, because 872398853 - 2⁶ = 872398789 is a prime.

It is a super-2 number, since 2×872398853² = 1522159517431431218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 872398795 and 872398804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872398859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436199426 + 436199427.

It is an arithmetic number, because the mean of its divisors is an integer number (436199427).

Almost surely, 2^872398853 is an apocalyptic number.

It is an amenable number.

872398853 is a deficient number, since it is larger than the sum of its proper divisors (1).

872398853 is an equidigital number, since it uses as much as digits as its factorization.

872398853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The square root of 872398853 is about 29536.3987818420. The cubic root of 872398853 is about 955.5168763448.

The spelling of 872398853 in words is "eight hundred seventy-two million, three hundred ninety-eight thousand, eight hundred fifty-three".