872061559 has 4 divisors (see below), whose sum is σ = 872649504. Its totient is φ = 871473616.

The previous prime is 872061557. The next prime is 872061571. The reversal of 872061559 is 955160278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955160278 = 2 ⋅477580139.

It is a cyclic number.

It is not a de Polignac number, because 872061559 - 2¹ = 872061557 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 (872061557) 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, 291742 + ... + 294715.

It is an arithmetic number, because the mean of its divisors is an integer number (218162376).

Almost surely, 2^872061559 is an apocalyptic number.

872061559 is a deficient number, since it is larger than the sum of its proper divisors (587945).

872061559 is a wasteful number, since it uses less digits than its factorization.

872061559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587944.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 872061559 is about 29530.6884274647. The cubic root of 872061559 is about 955.3937172139.

The spelling of 872061559 in words is "eight hundred seventy-two million, sixty-one thousand, five hundred fifty-nine".