872785027 has 2 divisors, whose sum is σ = 872785028. Its totient is φ = 872785026.

The previous prime is 872785013. The next prime is 872785051. The reversal of 872785027 is 720587278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872785027 - 2¹¹ = 872782979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (872785427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436392513 + 436392514.

It is an arithmetic number, because the mean of its divisors is an integer number (436392514).

Almost surely, 2^872785027 is an apocalyptic number.

872785027 is a deficient number, since it is larger than the sum of its proper divisors (1).

872785027 is an equidigital number, since it uses as much as digits as its factorization.

872785027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 439040, while the sum is 46.

The square root of 872785027 is about 29542.9353145553. The cubic root of 872785027 is about 955.6578444888.

The spelling of 872785027 in words is "eight hundred seventy-two million, seven hundred eighty-five thousand, twenty-seven".