25344887485 has 8 divisors (see below), whose sum is σ = 30426706656. Its totient is φ = 20267348880.

The previous prime is 25344887429. The next prime is 25344887509. The reversal of 25344887485 is 58478844352.

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

It is not a de Polignac number, because 25344887485 - 2¹³ = 25344879293 is a prime.

It is a super-3 number, since 3×25344887485³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057099 + ... + 1080808.

It is an arithmetic number, because the mean of its divisors is an integer number (3803338332).

Almost surely, 2^25344887485 is an apocalyptic number.

It is an amenable number.

25344887485 is a deficient number, since it is larger than the sum of its proper divisors (5081819171).

25344887485 is a wasteful number, since it uses less digits than its factorization.

25344887485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140283.

The product of its digits is 34406400, while the sum is 58.

The spelling of 25344887485 in words is "twenty-five billion, three hundred forty-four million, eight hundred eighty-seven thousand, four hundred eighty-five".