872973039 has 4 divisors (see below), whose sum is σ = 1163964056. Its totient is φ = 581982024.

The previous prime is 872973037. The next prime is 872973041. The reversal of 872973039 is 930379278.

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

It is an interprime number because it is at equal distance from previous prime (872973037) and next prime (872973041).

It is not a de Polignac number, because 872973039 - 2¹ = 872973037 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 (872973037) 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, 145495504 + ... + 145495509.

It is an arithmetic number, because the mean of its divisors is an integer number (290991014).

Almost surely, 2^872973039 is an apocalyptic number.

872973039 is a deficient number, since it is larger than the sum of its proper divisors (290991017).

872973039 is a wasteful number, since it uses less digits than its factorization.

872973039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290991016.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 872973039 is about 29546.1171560664. The cubic root of 872973039 is about 955.7264609434.

The spelling of 872973039 in words is "eight hundred seventy-two million, nine hundred seventy-three thousand, thirty-nine".