673885577772 has 216 divisors, whose sum is σ = 1966077024912. Its totient is φ = 192983212800.

The previous prime is 673885577731. The next prime is 673885577803. The reversal of 673885577772 is 277775588376.

673885577772 is a `hidden beast` number, since 67 + 3 + 8 + 8 + 557 + 7 + 7 + 7 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 673885577772.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 60178878 + ... + 60190074.

Almost surely, 2^673885577772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673885577772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983038512456).

673885577772 is an abundant number, since it is smaller than the sum of its proper divisors (1292191447140).

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

673885577772 is a wasteful number, since it uses less digits than its factorization.

673885577772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677 (or 11653 counting only the distinct ones).

The product of its digits is 968083200, while the sum is 72.

The spelling of 673885577772 in words is "six hundred seventy-three billion, eight hundred eighty-five million, five hundred seventy-seven thousand, seven hundred seventy-two".