25207848887 has 4 divisors (see below), whose sum is σ = 27146914200. Its totient is φ = 23268783576.

The previous prime is 25207848859. The next prime is 25207848937. The reversal of 25207848887 is 78884870252.

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

It is a cyclic number.

It is not a de Polignac number, because 25207848887 - 2²⁸ = 24939413431 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 (25207848187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969532637 + ... + 969532662.

It is an arithmetic number, because the mean of its divisors is an integer number (6786728550).

Almost surely, 2^25207848887 is an apocalyptic number.

25207848887 is a deficient number, since it is larger than the sum of its proper divisors (1939065313).

25207848887 is a wasteful number, since it uses less digits than its factorization.

25207848887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939065312.

The product of its (nonzero) digits is 16056320, while the sum is 59.

The spelling of 25207848887 in words is "twenty-five billion, two hundred seven million, eight hundred forty-eight thousand, eight hundred eighty-seven".