878270228 has 12 divisors (see below), whose sum is σ = 1676697792. Its totient is φ = 399213720.

The previous prime is 878270179. The next prime is 878270287. The reversal of 878270228 is 822072878.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 19960687 = 878270228 / (8 + 7 + 8 + 2 + 7 + 0 + 2 + 2 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9980300 + ... + 9980387.

It is an arithmetic number, because the mean of its divisors is an integer number (139724816).

Almost surely, 2^878270228 is an apocalyptic number.

It is an amenable number.

878270228 is a deficient number, since it is larger than the sum of its proper divisors (798427564).

878270228 is a wasteful number, since it uses less digits than its factorization.

878270228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19960702 (or 19960700 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 878270228 is about 29635.6243058924. The cubic root of 878270228 is about 957.6556759334.

The spelling of 878270228 in words is "eight hundred seventy-eight million, two hundred seventy thousand, two hundred twenty-eight".