25147870287 has 16 divisors (see below), whose sum is σ = 33947921280. Its totient is φ = 16556693472.

The previous prime is 25147870247. The next prime is 25147870301. The reversal of 25147870287 is 78207874152.

It is not a de Polignac number, because 25147870287 - 2⁷ = 25147870159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25147870217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655389 + ... + 692697.

It is an arithmetic number, because the mean of its divisors is an integer number (2121745080).

Almost surely, 2^25147870287 is an apocalyptic number.

25147870287 is a deficient number, since it is larger than the sum of its proper divisors (8800050993).

25147870287 is a wasteful number, since it uses less digits than its factorization.

25147870287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40102.

The product of its (nonzero) digits is 1756160, while the sum is 51.

The spelling of 25147870287 in words is "twenty-five billion, one hundred forty-seven million, eight hundred seventy thousand, two hundred eighty-seven".