688482147 has 16 divisors (see below), whose sum is σ = 926190720. Its totient is φ = 454900032.

The previous prime is 688482139. The next prime is 688482149. The reversal of 688482147 is 741284886.

It is not a de Polignac number, because 688482147 - 2³ = 688482139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 688482096 and 688482105.

It is not an unprimeable number, because it can be changed into a prime (688482149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156504 + ... + 160842.

It is an arithmetic number, because the mean of its divisors is an integer number (57886920).

Almost surely, 2^688482147 is an apocalyptic number.

688482147 is a deficient number, since it is larger than the sum of its proper divisors (237708573).

688482147 is a wasteful number, since it uses less digits than its factorization.

688482147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802.

The product of its digits is 688128, while the sum is 48.

The square root of 688482147 is about 26238.9433285718. The cubic root of 688482147 is about 883.0071651919.

The spelling of 688482147 in words is "six hundred eighty-eight million, four hundred eighty-two thousand, one hundred forty-seven".