76488665725 has 6 divisors (see below), whose sum is σ = 94845945530. Its totient is φ = 61190932560.

The previous prime is 76488665719. The next prime is 76488665809. The reversal of 76488665725 is 52756688467.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17624686564 + 58863979161 = 132758^2 + 242619^2 .

It is a de Polignac number, because none of the positive numbers 2^k-76488665725 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1529773290 + ... + 1529773339.

Almost surely, 2^76488665725 is an apocalyptic number.

It is an amenable number.

76488665725 is a deficient number, since it is larger than the sum of its proper divisors (18357279805).

76488665725 is a wasteful number, since it uses less digits than its factorization.

76488665725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059546639 (or 3059546634 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 64.

The spelling of 76488665725 in words is "seventy-six billion, four hundred eighty-eight million, six hundred sixty-five thousand, seven hundred twenty-five".