678137504 has 48 divisors (see below), whose sum is σ = 1481185440. Its totient is φ = 303010560.

The previous prime is 678137503. The next prime is 678137557. The reversal of 678137504 is 405731876.

It is not an unprimeable number, because it can be changed into a prime (678137503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4442 + ... + 37094.

It is an arithmetic number, because the mean of its divisors is an integer number (30858030).

Almost surely, 2^678137504 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 678137504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740592720).

678137504 is an abundant number, since it is smaller than the sum of its proper divisors (803047936).

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

678137504 is a wasteful number, since it uses less digits than its factorization.

678137504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32733 (or 32725 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 678137504 is about 26041.0734033757. The cubic root of 678137504 is about 878.5623495683.

The spelling of 678137504 in words is "six hundred seventy-eight million, one hundred thirty-seven thousand, five hundred four".