7688457231 has 32 divisors (see below), whose sum is σ = 12805298688. Its totient is φ = 3994911360.

The previous prime is 7688457199. The next prime is 7688457241. The reversal of 7688457231 is 1327548867.

7688457231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7688457231 - 2⁵ = 7688457199 is a prime.

It is a super-2 number, since 2×7688457231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7688457241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191880 + ... + 228461.

It is an arithmetic number, because the mean of its divisors is an integer number (400165584).

Almost surely, 2^7688457231 is an apocalyptic number.

7688457231 is a deficient number, since it is larger than the sum of its proper divisors (5116841457).

7688457231 is a wasteful number, since it uses less digits than its factorization.

7688457231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420431.

The product of its digits is 2257920, while the sum is 51.

The square root of 7688457231 is about 87683.8481762747. The cubic root of 7688457231 is about 1973.6936064729.

The spelling of 7688457231 in words is "seven billion, six hundred eighty-eight million, four hundred fifty-seven thousand, two hundred thirty-one".