2587308878 has 36 divisors (see below), whose sum is σ = 4962340656. Its totient is φ = 1008037800.

The previous prime is 2587308853. The next prime is 2587308883. The reversal of 2587308878 is 8788037852.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 97238 + ... + 120953.

It is an arithmetic number, because the mean of its divisors is an integer number (137842796).

Almost surely, 2^2587308878 is an apocalyptic number.

2587308878 is a deficient number, since it is larger than the sum of its proper divisors (2375031778).

2587308878 is a wasteful number, since it uses less digits than its factorization.

2587308878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218229 (or 218211 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 56.

The square root of 2587308878 is about 50865.5962119781. The cubic root of 2587308878 is about 1372.8278878156.

The spelling of 2587308878 in words is "two billion, five hundred eighty-seven million, three hundred eight thousand, eight hundred seventy-eight".