872647003 has 4 divisors (see below), whose sum is σ = 881119408. Its totient is φ = 864174600.

The previous prime is 872647001. The next prime is 872647007. The reversal of 872647003 is 300746278.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 872647003 - 2¹ = 872647001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872647001) 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 in 3 ways as a sum of consecutive naturals, for example, 4236048 + ... + 4236253.

It is an arithmetic number, because the mean of its divisors is an integer number (220279852).

Almost surely, 2^872647003 is an apocalyptic number.

872647003 is a deficient number, since it is larger than the sum of its proper divisors (8472405).

872647003 is a wasteful number, since it uses less digits than its factorization.

872647003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8472404.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 872647003 is about 29540.5992322431. The cubic root of 872647003 is about 955.6074652744.

The spelling of 872647003 in words is "eight hundred seventy-two million, six hundred forty-seven thousand, three".