878454028 has 12 divisors (see below), whose sum is σ = 1574789832. Its totient is φ = 428514080.

The previous prime is 878454011. The next prime is 878454043. The reversal of 878454028 is 820454878.

It is a happy 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, 2678050 + ... + 2678377.

It is an arithmetic number, because the mean of its divisors is an integer number (131232486).

Almost surely, 2^878454028 is an apocalyptic number.

It is an amenable number.

878454028 is a deficient number, since it is larger than the sum of its proper divisors (696335804).

878454028 is a wasteful number, since it uses less digits than its factorization.

878454028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356472 (or 5356470 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 46.

The square root of 878454028 is about 29638.7251412742. The cubic root of 878454028 is about 957.7224757369.

The spelling of 878454028 in words is "eight hundred seventy-eight million, four hundred fifty-four thousand, twenty-eight".