678658860275 has 24 divisors (see below), whose sum is σ = 920170533888. Its totient is φ = 492424820000.

The previous prime is 678658860263. The next prime is 678658860281. The reversal of 678658860275 is 572068856876.

It is not a de Polignac number, because 678658860275 - 2⁶ = 678658860211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2744411 + ... + 2981460.

It is an arithmetic number, because the mean of its divisors is an integer number (38340438912).

Almost surely, 2^678658860275 is an apocalyptic number.

678658860275 is a deficient number, since it is larger than the sum of its proper divisors (241511673613).

678658860275 is a wasteful number, since it uses less digits than its factorization.

678658860275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726323 (or 5726318 counting only the distinct ones).

The product of its (nonzero) digits is 270950400, while the sum is 68.

The spelling of 678658860275 in words is "six hundred seventy-eight billion, six hundred fifty-eight million, eight hundred sixty thousand, two hundred seventy-five".