868879285 has 8 divisors (see below), whose sum is σ = 1066903200. Its totient is φ = 678938064.

The previous prime is 868879283. The next prime is 868879289. The reversal of 868879285 is 582978868.

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 868879285 - 2¹ = 868879283 is a prime.

It is a super-2 number, since 2×868879285² = 1509902423804222450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868879283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020435 + ... + 2020864.

It is an arithmetic number, because the mean of its divisors is an integer number (133362900).

Almost surely, 2^868879285 is an apocalyptic number.

It is an amenable number.

868879285 is a deficient number, since it is larger than the sum of its proper divisors (198023915).

868879285 is a wasteful number, since it uses less digits than its factorization.

868879285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041347.

The product of its digits is 15482880, while the sum is 61.

The square root of 868879285 is about 29476.7583869054. The cubic root of 868879285 is about 954.2301792123.

The spelling of 868879285 in words is "eight hundred sixty-eight million, eight hundred seventy-nine thousand, two hundred eighty-five".