25878481038 has 24 divisors (see below), whose sum is σ = 56073010968. Its totient is φ = 8625703632.

The previous prime is 25878481007. The next prime is 25878481043. The reversal of 25878481038 is 83018487852.

25878481038 is a `hidden beast` number, since 2 + 587 + 8 + 48 + 10 + 3 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 605056 + ... + 646412.

It is an arithmetic number, because the mean of its divisors is an integer number (2336375457).

Almost surely, 2^25878481038 is an apocalyptic number.

25878481038 is an abundant number, since it is smaller than the sum of its proper divisors (30194529930).

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

25878481038 is a wasteful number, since it uses less digits than its factorization.

25878481038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76128 (or 76125 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 25878481038 in words is "twenty-five billion, eight hundred seventy-eight million, four hundred eighty-one thousand, thirty-eight".