688477254504 has 128 divisors (see below), whose sum is σ = 1867186944000. Its totient is φ = 210290446080.

The previous prime is 688477254503. The next prime is 688477254533. The reversal of 688477254504 is 405452774886.

It is a super-3 number, since 3×688477254504³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (688477254503) 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, 27492469 + ... + 27517499.

It is an arithmetic number, because the mean of its divisors is an integer number (14587398000).

Almost surely, 2^688477254504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 688477254504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933593472000).

688477254504 is an abundant number, since it is smaller than the sum of its proper divisors (1178709689496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

688477254504 is a wasteful number, since it uses less digits than its factorization.

688477254504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25695 (or 25691 counting only the distinct ones).

The product of its (nonzero) digits is 60211200, while the sum is 60.

The spelling of 688477254504 in words is "six hundred eighty-eight billion, four hundred seventy-seven million, two hundred fifty-four thousand, five hundred four".