25487267882 has 4 divisors (see below), whose sum is σ = 38230901826. Its totient is φ = 12743633940.

The previous prime is 25487267873. The next prime is 25487267917. The reversal of 25487267882 is 28876278452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25176486241 + 310781641 = 158671^2 + 17629^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6371816969 + ... + 6371816972.

Almost surely, 2^25487267882 is an apocalyptic number.

25487267882 is a deficient number, since it is larger than the sum of its proper divisors (12743633944).

25487267882 is a wasteful number, since it uses less digits than its factorization.

25487267882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743633943.

The product of its digits is 24084480, while the sum is 59.

The spelling of 25487267882 in words is "twenty-five billion, four hundred eighty-seven million, two hundred sixty-seven thousand, eight hundred eighty-two".