872865485 has 8 divisors (see below), whose sum is σ = 1052136960. Its totient is φ = 695160144.

The previous prime is 872865443. The next prime is 872865563. The reversal of 872865485 is 584568278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 872865485 - 2⁶ = 872865421 is a prime.

It is a super-3 number, since 3×872865485³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390305 + ... + 392534.

It is an arithmetic number, because the mean of its divisors is an integer number (131517120).

Almost surely, 2^872865485 is an apocalyptic number.

It is an amenable number.

872865485 is a deficient number, since it is larger than the sum of its proper divisors (179271475).

872865485 is a wasteful number, since it uses less digits than its factorization.

872865485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783067.

The product of its digits is 4300800, while the sum is 53.

The square root of 872865485 is about 29544.2969962055. The cubic root of 872865485 is about 955.6872094733.

The spelling of 872865485 in words is "eight hundred seventy-two million, eight hundred sixty-five thousand, four hundred eighty-five".