676755221120 has 128 divisors (see below), whose sum is σ = 1782084170880. Its totient is φ = 243703296000.

The previous prime is 676755221117. The next prime is 676755221167. The reversal of 676755221120 is 21122557676.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258470 + ... + 1191770.

It is an arithmetic number, because the mean of its divisors is an integer number (13922532585).

Almost surely, 2^676755221120 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 676755221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891042085440).

676755221120 is an abundant number, since it is smaller than the sum of its proper divisors (1105328949760).

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

676755221120 is a wasteful number, since it uses less digits than its factorization.

676755221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933434 (or 933422 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

Adding to 676755221120 its reverse (21122557676), we get a palindrome (697877778796).

The spelling of 676755221120 in words is "six hundred seventy-six billion, seven hundred fifty-five million, two hundred twenty-one thousand, one hundred twenty".