678632875500 has 48 divisors (see below), whose sum is σ = 1976178937824. Its totient is φ = 180968766400.

The previous prime is 678632875463. The next prime is 678632875513. The reversal of 678632875500 is 5578236876.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226209459 + ... + 226212458.

It is an arithmetic number, because the mean of its divisors is an integer number (41170394538).

Almost surely, 2^678632875500 is an apocalyptic number.

678632875500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

678632875500 is an abundant number, since it is smaller than the sum of its proper divisors (1297546062324).

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

678632875500 is a wasteful number, since it uses less digits than its factorization.

678632875500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452421939 (or 452421927 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 678632875500 in words is "six hundred seventy-eight billion, six hundred thirty-two million, eight hundred seventy-five thousand, five hundred".