678473065958 has 16 divisors (see below), whose sum is σ = 1034426069280. Its totient is φ = 333664728000.

The previous prime is 678473065939. The next prime is 678473065961. The reversal of 678473065958 is 859560374876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4977578 + ... + 5112066.

It is an arithmetic number, because the mean of its divisors is an integer number (64651629330).

Almost surely, 2^678473065958 is an apocalyptic number.

678473065958 is a deficient number, since it is larger than the sum of its proper divisors (355953003322).

678473065958 is a wasteful number, since it uses less digits than its factorization.

678473065958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175903.

The product of its (nonzero) digits is 304819200, while the sum is 68.

The spelling of 678473065958 in words is "six hundred seventy-eight billion, four hundred seventy-three million, sixty-five thousand, nine hundred fifty-eight".