872280855 has 12 divisors (see below), whose sum is σ = 1511953560. Its totient is φ = 465216432.

The previous prime is 872280833. The next prime is 872280889. The reversal of 872280855 is 558082278.

It is not a de Polignac number, because 872280855 - 2⁸ = 872280599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 19384019 = 872280855 / (8 + 7 + 2 + 2 + 8 + 0 + 8 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 872280855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9691965 + ... + 9692054.

It is an arithmetic number, because the mean of its divisors is an integer number (125996130).

Almost surely, 2^872280855 is an apocalyptic number.

872280855 is a deficient number, since it is larger than the sum of its proper divisors (639672705).

872280855 is a wasteful number, since it uses less digits than its factorization.

872280855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19384030 (or 19384027 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 872280855 is about 29534.4012128230. The cubic root of 872280855 is about 955.4737943059.

The spelling of 872280855 in words is "eight hundred seventy-two million, two hundred eighty thousand, eight hundred fifty-five".