678732488 has 16 divisors (see below), whose sum is σ = 1454426880. Its totient is φ = 290885328.

The previous prime is 678732487. The next prime is 678732493. The reversal of 678732488 is 884237876.

It is not an unprimeable number, because it can be changed into a prime (678732487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060056 + ... + 6060167.

It is an arithmetic number, because the mean of its divisors is an integer number (90901680).

Almost surely, 2^678732488 is an apocalyptic number.

It is an amenable number.

678732488 is an abundant number, since it is smaller than the sum of its proper divisors (775694392).

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

678732488 is a wasteful number, since it uses less digits than its factorization.

678732488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120236 (or 12120232 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 53.

The square root of 678732488 is about 26052.4948517412. The cubic root of 678732488 is about 878.8192186815.

The spelling of 678732488 in words is "six hundred seventy-eight million, seven hundred thirty-two thousand, four hundred eighty-eight".