678659145148 has 12 divisors (see below), whose sum is σ = 1187811552312. Its totient is φ = 339284415920.

The previous prime is 678659145103. The next prime is 678659145167. The reversal of 678659145148 is 841541956876.

It is a self number, because there is not a number n which added to its sum of digits gives 678659145148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11255338 + ... + 11315473.

It is an arithmetic number, because the mean of its divisors is an integer number (98984296026).

Almost surely, 2^678659145148 is an apocalyptic number.

It is an amenable number.

678659145148 is a deficient number, since it is larger than the sum of its proper divisors (509152407164).

678659145148 is a wasteful number, since it uses less digits than its factorization.

678659145148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578332 (or 22578330 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 64.

The spelling of 678659145148 in words is "six hundred seventy-eight billion, six hundred fifty-nine million, one hundred forty-five thousand, one hundred forty-eight".