25316876484 has 24 divisors (see below), whose sum is σ = 65636346720. Its totient is φ = 8438958792.

The previous prime is 25316876449. The next prime is 25316876551. The reversal of 25316876484 is 48467861352.

It is a happy number.

25316876484 is a `hidden beast` number, since 2 + 5 + 31 + 68 + 76 + 484 = 666.

It is a super-2 number, since 2×25316876484² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 25316876484.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117207654 + ... + 117207869.

It is an arithmetic number, because the mean of its divisors is an integer number (2734847780).

Almost surely, 2^25316876484 is an apocalyptic number.

It is an amenable number.

25316876484 is an abundant number, since it is smaller than the sum of its proper divisors (40319470236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25316876484 is a wasteful number, since it uses less digits than its factorization.

25316876484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234415536 (or 234415528 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 25316876484 in words is "twenty-five billion, three hundred sixteen million, eight hundred seventy-six thousand, four hundred eighty-four".