872856927 has 12 divisors (see below), whose sum is σ = 1264178344. Its totient is φ = 580342320.

The previous prime is 872856893. The next prime is 872856937. The reversal of 872856927 is 729658278.

It is a happy number.

872856927 is a `hidden beast` number, since 8 + 72 + 8 + 569 + 2 + 7 = 666.

It is not a de Polignac number, because 872856927 - 2¹⁰ = 872855903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872856937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126649 + ... + 133362.

Almost surely, 2^872856927 is an apocalyptic number.

872856927 is a deficient number, since it is larger than the sum of its proper divisors (391321417).

872856927 is a wasteful number, since it uses less digits than its factorization.

872856927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260390 (or 260387 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 872856927 is about 29544.1521624839. The cubic root of 872856927 is about 955.6840861215.

The spelling of 872856927 in words is "eight hundred seventy-two million, eight hundred fifty-six thousand, nine hundred twenty-seven".