878985285 has 8 divisors (see below), whose sum is σ = 1406376480. Its totient is φ = 468792144.

The previous prime is 878985281. The next prime is 878985301. The reversal of 878985285 is 582589878.

It is a happy number.

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

It is not a de Polignac number, because 878985285 - 2² = 878985281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878985281) 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, 29299495 + ... + 29299524.

It is an arithmetic number, because the mean of its divisors is an integer number (175797060).

Almost surely, 2^878985285 is an apocalyptic number.

It is an amenable number.

878985285 is a deficient number, since it is larger than the sum of its proper divisors (527391195).

878985285 is a wasteful number, since it uses less digits than its factorization.

878985285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58599027.

The product of its digits is 12902400, while the sum is 60.

The square root of 878985285 is about 29647.6859973928. The cubic root of 878985285 is about 957.9155020537.

The spelling of 878985285 in words is "eight hundred seventy-eight million, nine hundred eighty-five thousand, two hundred eighty-five".