678586488 has 16 divisors (see below), whose sum is σ = 1696466280. Its totient is φ = 226195488.

The previous prime is 678586487. The next prime is 678586511. The reversal of 678586488 is 884685876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678586481) 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 3 ways as a sum of consecutive naturals, for example, 14137195 + ... + 14137242.

Almost surely, 2^678586488 is an apocalyptic number.

It is an amenable number.

678586488 is an abundant number, since it is smaller than the sum of its proper divisors (1017879792).

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

678586488 is a wasteful number, since it uses less digits than its factorization.

678586488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28274446 (or 28274442 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 60.

The square root of 678586488 is about 26049.6926661333. The cubic root of 678586488 is about 878.7562008213.

The spelling of 678586488 in words is "six hundred seventy-eight million, five hundred eighty-six thousand, four hundred eighty-eight".