25887055435 has 16 divisors (see below), whose sum is σ = 31792923360. Its totient is φ = 20224189440.

The previous prime is 25887055421. The next prime is 25887055471. The reversal of 25887055435 is 53455078852.

It is not a de Polignac number, because 25887055435 - 2⁹ = 25887054923 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1770555 + ... + 1785115.

It is an arithmetic number, because the mean of its divisors is an integer number (1987057710).

Almost surely, 2^25887055435 is an apocalyptic number.

25887055435 is a deficient number, since it is larger than the sum of its proper divisors (5905867925).

25887055435 is a wasteful number, since it uses less digits than its factorization.

25887055435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22878.

The product of its (nonzero) digits is 6720000, while the sum is 52.

The spelling of 25887055435 in words is "twenty-five billion, eight hundred eighty-seven million, fifty-five thousand, four hundred thirty-five".