673587028578 has 8 divisors (see below), whose sum is σ = 1347174057168. Its totient is φ = 224529009524.

The previous prime is 673587028559. The next prime is 673587028589. The reversal of 673587028578 is 875820785376.

It is a sphenic number, since it is the product of 3 distinct primes.

673587028578 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 56132252376 + ... + 56132252387.

It is an arithmetic number, because the mean of its divisors is an integer number (168396757146).

Almost surely, 2^673587028578 is an apocalyptic number.

673587028578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

673587028578 is a wasteful number, since it uses less digits than its factorization.

673587028578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112264504768.

The product of its (nonzero) digits is 158054400, while the sum is 66.

The spelling of 673587028578 in words is "six hundred seventy-three billion, five hundred eighty-seven million, twenty-eight thousand, five hundred seventy-eight".