2558830878 has 32 divisors (see below), whose sum is σ = 5704849920. Its totient is φ = 850159800.

The previous prime is 2558830819. The next prime is 2558830889. The reversal of 2558830878 is 8780388552.

It is a happy number.

2558830878 is a `hidden beast` number, since 2 + 558 + 8 + 3 + 0 + 87 + 8 = 666.

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

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 60598 + ... + 93753.

It is an arithmetic number, because the mean of its divisors is an integer number (178276560).

Almost surely, 2^2558830878 is an apocalyptic number.

2558830878 is an abundant number, since it is smaller than the sum of its proper divisors (3146019042).

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

2558830878 is a wasteful number, since it uses less digits than its factorization.

2558830878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154669 (or 154663 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The square root of 2558830878 is about 50584.8878421214. The cubic root of 2558830878 is about 1367.7724787051.

The spelling of 2558830878 in words is "two billion, five hundred fifty-eight million, eight hundred thirty thousand, eight hundred seventy-eight".