7655537725 has 48 divisors (see below), whose sum is σ = 10786559616. Its totient is φ = 5340384000.

The previous prime is 7655537717. The next prime is 7655537737. The reversal of 7655537725 is 5277355567.

It is not a de Polignac number, because 7655537725 - 2³ = 7655537717 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 717127 + ... + 727723.

It is an arithmetic number, because the mean of its divisors is an integer number (224719992).

Almost surely, 2^7655537725 is an apocalyptic number.

It is an amenable number.

7655537725 is a deficient number, since it is larger than the sum of its proper divisors (3131021891).

7655537725 is a wasteful number, since it uses less digits than its factorization.

7655537725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10726 (or 10721 counting only the distinct ones).

The product of its digits is 7717500, while the sum is 52.

The square root of 7655537725 is about 87495.9297624752. The cubic root of 7655537725 is about 1970.8726690173.

The spelling of 7655537725 in words is "seven billion, six hundred fifty-five million, five hundred thirty-seven thousand, seven hundred twenty-five".