25727503776 has 48 divisors (see below), whose sum is σ = 72729677664. Its totient is φ = 7916154624.

The previous prime is 25727503771. The next prime is 25727503799. The reversal of 25727503776 is 67730572752.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (25727503771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10306246 + ... + 10308741.

It is an arithmetic number, because the mean of its divisors is an integer number (1515201618).

Almost surely, 2^25727503776 is an apocalyptic number.

25727503776 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25727503776 is an abundant number, since it is smaller than the sum of its proper divisors (47002173888).

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

25727503776 is a wasteful number, since it uses less digits than its factorization.

25727503776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20615013 (or 20615005 counting only the distinct ones).

The product of its (nonzero) digits is 4321800, while the sum is 51.

The spelling of 25727503776 in words is "twenty-five billion, seven hundred twenty-seven million, five hundred three thousand, seven hundred seventy-six".