678336875 has 20 divisors (see below), whose sum is σ = 849290640. Its totient is φ = 541620000.

The previous prime is 678336871. The next prime is 678336881. The reversal of 678336875 is 578633876.

It is not a de Polignac number, because 678336875 - 2² = 678336871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (678336871) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 573785 + ... + 574965.

It is an arithmetic number, because the mean of its divisors is an integer number (42464532).

Almost surely, 2^678336875 is an apocalyptic number.

678336875 is a deficient number, since it is larger than the sum of its proper divisors (170953765).

678336875 is an equidigital number, since it uses as much as digits as its factorization.

678336875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120 (or 2105 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 53.

The square root of 678336875 is about 26044.9011324674. The cubic root of 678336875 is about 878.6484396264.

The spelling of 678336875 in words is "six hundred seventy-eight million, three hundred thirty-six thousand, eight hundred seventy-five".