2567879478 has 48 divisors (see below), whose sum is σ = 5901242256. Its totient is φ = 804211200.

The previous prime is 2567879473. The next prime is 2567879497. The reversal of 2567879478 is 8749787652.

2567879478 is a `hidden beast` number, since 25 + 6 + 78 + 79 + 478 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2567879473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176925 + ... + 190887.

It is an arithmetic number, because the mean of its divisors is an integer number (122942547).

Almost surely, 2^2567879478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2567879478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2950621128).

2567879478 is an abundant number, since it is smaller than the sum of its proper divisors (3333362778).

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

2567879478 is a wasteful number, since it uses less digits than its factorization.

2567879478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14589 (or 14586 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 63.

The square root of 2567879478 is about 50674.2486673458. The cubic root of 2567879478 is about 1369.3828321082.

The spelling of 2567879478 in words is "two billion, five hundred sixty-seven million, eight hundred seventy-nine thousand, four hundred seventy-eight".