872251380167 has 4 divisors (see below), whose sum is σ = 876385273176. Its totient is φ = 868117487160.

The previous prime is 872251380097. The next prime is 872251380181. The reversal of 872251380167 is 761083152278.

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 872251380167 - 2¹⁰ = 872251379143 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 (872251380067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2066946188 + ... + 2066946609.

It is an arithmetic number, because the mean of its divisors is an integer number (219096318294).

Almost surely, 2^872251380167 is an apocalyptic number.

872251380167 is a deficient number, since it is larger than the sum of its proper divisors (4133893009).

872251380167 is a wasteful number, since it uses less digits than its factorization.

872251380167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133893008.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 872251380167 in words is "eight hundred seventy-two billion, two hundred fifty-one million, three hundred eighty thousand, one hundred sixty-seven".