673861028568 has 128 divisors (see below), whose sum is σ = 2144915942400. Its totient is φ = 171593243136.

The previous prime is 673861028567. The next prime is 673861028671. The reversal of 673861028568 is 865820168376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673861028567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5256396 + ... + 5383067.

It is an arithmetic number, because the mean of its divisors is an integer number (16757155800).

Almost surely, 2^673861028568 is an apocalyptic number.

It is an amenable number.

673861028568 is an abundant number, since it is smaller than the sum of its proper divisors (1471054913832).

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

673861028568 is a wasteful number, since it uses less digits than its factorization.

673861028568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10639521 (or 10639517 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 673861028568 in words is "six hundred seventy-three billion, eight hundred sixty-one million, twenty-eight thousand, five hundred sixty-eight".