7738168525 has 12 divisors (see below), whose sum is σ = 9610179552. Its totient is φ = 6180953840.

The previous prime is 7738168523. The next prime is 7738168549. The reversal of 7738168525 is 5258618377.

It is a happy number.

It is not a de Polignac number, because 7738168525 - 2¹ = 7738168523 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 (7738168523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223027 + ... + 255376.

It is an arithmetic number, because the mean of its divisors is an integer number (800848296).

Almost surely, 2^7738168525 is an apocalyptic number.

It is an amenable number.

7738168525 is a deficient number, since it is larger than the sum of its proper divisors (1872011027).

7738168525 is a wasteful number, since it uses less digits than its factorization.

7738168525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479060 (or 479055 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 52.

The square root of 7738168525 is about 87966.8603793497. The cubic root of 7738168525 is about 1977.9382447204.

The spelling of 7738168525 in words is "seven billion, seven hundred thirty-eight million, one hundred sixty-eight thousand, five hundred twenty-five".