25452934887 has 8 divisors (see below), whose sum is σ = 33938475120. Its totient is φ = 16968008960.

The previous prime is 25452934877. The next prime is 25452934891. The reversal of 25452934887 is 78843925452.

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 25452934887 - 2²⁴ = 25436157671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25452934877) 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, 46164 + ... + 230297.

It is an arithmetic number, because the mean of its divisors is an integer number (4242309390).

Almost surely, 2^25452934887 is an apocalyptic number.

25452934887 is a deficient number, since it is larger than the sum of its proper divisors (8485540233).

25452934887 is a wasteful number, since it uses less digits than its factorization.

25452934887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307153.

The product of its digits is 19353600, while the sum is 57.

The spelling of 25452934887 in words is "twenty-five billion, four hundred fifty-two million, nine hundred thirty-four thousand, eight hundred eighty-seven".