872842577 has 16 divisors (see below), whose sum is σ = 979876800. Its totient is φ = 772623360.

The previous prime is 872842511. The next prime is 872842601. The reversal of 872842577 is 775248278.

It is a cyclic number.

It is not a de Polignac number, because 872842577 - 2¹⁴ = 872826193 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872842177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35177 + ... + 54617.

It is an arithmetic number, because the mean of its divisors is an integer number (61242300).

Almost surely, 2^872842577 is an apocalyptic number.

It is an amenable number.

872842577 is a deficient number, since it is larger than the sum of its proper divisors (107034223).

872842577 is a wasteful number, since it uses less digits than its factorization.

872842577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19616.

The product of its digits is 1756160, while the sum is 50.

The square root of 872842577 is about 29543.9093046266. The cubic root of 872842577 is about 955.6788488593.

The spelling of 872842577 in words is "eight hundred seventy-two million, eight hundred forty-two thousand, five hundred seventy-seven".