878458949580 has 24 divisors (see below), whose sum is σ = 2459685058992. Its totient is φ = 234255719872.

The previous prime is 878458949561. The next prime is 878458949597. The reversal of 878458949580 is 85949854878.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7320491187 + ... + 7320491306.

It is an arithmetic number, because the mean of its divisors is an integer number (102486877458).

Almost surely, 2^878458949580 is an apocalyptic number.

It is an amenable number.

878458949580 is an abundant number, since it is smaller than the sum of its proper divisors (1581226109412).

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

878458949580 is a wasteful number, since it uses less digits than its factorization.

878458949580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14640982505 (or 14640982503 counting only the distinct ones).

The product of its (nonzero) digits is 928972800, while the sum is 75.

The spelling of 878458949580 in words is "eight hundred seventy-eight billion, four hundred fifty-eight million, nine hundred forty-nine thousand, five hundred eighty".