872862373 has 2 divisors, whose sum is σ = 872862374. Its totient is φ = 872862372.

The previous prime is 872862371. The next prime is 872862377. The reversal of 872862373 is 373268278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 859779684 + 13082689 = 29322^2 + 3617^2 .

It is a cyclic number.

It is not a de Polignac number, because 872862373 - 2¹ = 872862371 is a prime.

It is a super-2 number, since 2×872862373² = 1523777444398382258, which contains 22 as substring.

Together with 872862371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872862371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436431186 + 436431187.

It is an arithmetic number, because the mean of its divisors is an integer number (436431187).

Almost surely, 2^872862373 is an apocalyptic number.

It is an amenable number.

872862373 is a deficient number, since it is larger than the sum of its proper divisors (1).

872862373 is an equidigital number, since it uses as much as digits as its factorization.

872862373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 872862373 is about 29544.2443294798. The cubic root of 872862373 is about 955.6860737113.

The spelling of 872862373 in words is "eight hundred seventy-two million, eight hundred sixty-two thousand, three hundred seventy-three".