878484446 has 12 divisors (see below), whose sum is σ = 1532865888. Its totient is φ = 376493292.

The previous prime is 878484433. The next prime is 878484461. The reversal of 878484446 is 644484878.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4481966 + ... + 4482161.

It is an arithmetic number, because the mean of its divisors is an integer number (127738824).

Almost surely, 2^878484446 is an apocalyptic number.

878484446 is a deficient number, since it is larger than the sum of its proper divisors (654381442).

878484446 is a wasteful number, since it uses less digits than its factorization.

878484446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8964143 (or 8964136 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 53.

The square root of 878484446 is about 29639.2382830598. The cubic root of 878484446 is about 957.7335298787.

The spelling of 878484446 in words is "eight hundred seventy-eight million, four hundred eighty-four thousand, four hundred forty-six".