7716538525 has 12 divisors (see below), whose sum is σ = 9984530592. Its totient is φ = 5904829040.

The previous prime is 7716538523. The next prime is 7716538547. The reversal of 7716538525 is 5258356177.

It is not a de Polignac number, because 7716538525 - 2¹ = 7716538523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7716538523) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6709459 + ... + 6710608.

It is an arithmetic number, because the mean of its divisors is an integer number (832044216).

Almost surely, 2^7716538525 is an apocalyptic number.

It is an amenable number.

7716538525 is a deficient number, since it is larger than the sum of its proper divisors (2267992067).

7716538525 is a wasteful number, since it uses less digits than its factorization.

7716538525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420100 (or 13420095 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 49.

The square root of 7716538525 is about 87843.8303183553. The cubic root of 7716538525 is about 1976.0935907915.

The spelling of 7716538525 in words is "seven billion, seven hundred sixteen million, five hundred thirty-eight thousand, five hundred twenty-five".