878258960 has 20 divisors (see below), whose sum is σ = 2041952268. Its totient is φ = 351303552.

The previous prime is 878258959. The next prime is 878258989. The reversal of 878258960 is 69852878.

It can be written as a sum of positive squares in 2 ways, for example, as 239382784 + 638876176 = 15472^2 + 25276^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 5489039 + ... + 5489198.

Almost surely, 2^878258960 is an apocalyptic number.

878258960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

878258960 is an abundant number, since it is smaller than the sum of its proper divisors (1163693308).

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

878258960 is a wasteful number, since it uses less digits than its factorization.

878258960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10978250 (or 10978244 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The square root of 878258960 is about 29635.4341962455. The cubic root of 878258960 is about 957.6515804170.

The spelling of 878258960 in words is "eight hundred seventy-eight million, two hundred fifty-eight thousand, nine hundred sixty".