5681379676 has 72 divisors (see below), whose sum is σ = 12256801200. Its totient is φ = 2293482240.

The previous prime is 5681379653. The next prime is 5681379701. The reversal of 5681379676 is 6769731865.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 5681379676.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220855 + ... + 245233.

It is an arithmetic number, because the mean of its divisors is an integer number (170233350).

Almost surely, 2^5681379676 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 5681379676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6128400600).

5681379676 is an abundant number, since it is smaller than the sum of its proper divisors (6575421524).

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

5681379676 is a wasteful number, since it uses less digits than its factorization.

5681379676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24467 (or 24458 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 58.

The square root of 5681379676 is about 75374.9273697826. The cubic root of 5681379676 is about 1784.3687323076.

The spelling of 5681379676 in words is "five billion, six hundred eighty-one million, three hundred seventy-nine thousand, six hundred seventy-six".