8729413776 has 180 divisors, whose sum is σ = 26509946112. Its totient is φ = 2679770112.

The previous prime is 8729413769. The next prime is 8729413807. The reversal of 8729413776 is 6773149278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1953721 + ... + 1958183.

Almost surely, 2^8729413776 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 8729413776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13254973056).

8729413776 is an abundant number, since it is smaller than the sum of its proper divisors (17780532336).

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

8729413776 is a wasteful number, since it uses less digits than its factorization.

8729413776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558 (or 4532 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 8729413776 is about 93431.3318753404. The cubic root of 8729413776 is about 2059.0253484669.

The spelling of 8729413776 in words is "eight billion, seven hundred twenty-nine million, four hundred thirteen thousand, seven hundred seventy-six".