558799878 has 64 divisors (see below), whose sum is σ = 1407555072. Its totient is φ = 143942400.

The previous prime is 558799859. The next prime is 558799883. The reversal of 558799878 is 878997855.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11578 + ... + 35378.

It is an arithmetic number, because the mean of its divisors is an integer number (21993048).

Almost surely, 2^558799878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 558799878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703777536).

558799878 is an abundant number, since it is smaller than the sum of its proper divisors (848755194).

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

558799878 is a wasteful number, since it uses less digits than its factorization.

558799878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23869.

The product of its digits is 50803200, while the sum is 66.

The square root of 558799878 is about 23638.9483268609. The cubic root of 558799878 is about 823.6678239358.

The spelling of 558799878 in words is "five hundred fifty-eight million, seven hundred ninety-nine thousand, eight hundred seventy-eight".