878069970 has 80 divisors (see below), whose sum is σ = 2365830720. Its totient is φ = 233676576.

The previous prime is 878069923. The next prime is 878070007. The reversal of 878069970 is 79960878.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 601101 + ... + 602559.

It is an arithmetic number, because the mean of its divisors is an integer number (29572884).

Almost surely, 2^878069970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878069970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182915360).

878069970 is an abundant number, since it is smaller than the sum of its proper divisors (1487760750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878069970 is a wasteful number, since it uses less digits than its factorization.

878069970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 878069970 is about 29632.2454430980. The cubic root of 878069970 is about 957.5828840667.

The spelling of 878069970 in words is "eight hundred seventy-eight million, sixty-nine thousand, nine hundred seventy".