25087375487 has 8 divisors (see below), whose sum is σ = 26528272512. Its totient is φ = 23685955200.

The previous prime is 25087375429. The next prime is 25087375493. The reversal of 25087375487 is 78457378052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25087375487 - 2⁸ = 25087375231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25087375987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9867878 + ... + 9870419.

It is an arithmetic number, because the mean of its divisors is an integer number (3316034064).

Almost surely, 2^25087375487 is an apocalyptic number.

25087375487 is a deficient number, since it is larger than the sum of its proper divisors (1440897025).

25087375487 is a wasteful number, since it uses less digits than its factorization.

25087375487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19738369.

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 25087375487 in words is "twenty-five billion, eighty-seven million, three hundred seventy-five thousand, four hundred eighty-seven".