8449211776 has 64 divisors (see below), whose sum is σ = 17306931600. Its totient is φ = 4106280960.

The previous prime is 8449211723. The next prime is 8449211791. The reversal of 8449211776 is 6771129448.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×8449211776³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482340 + ... + 1488028.

Almost surely, 2^8449211776 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 8449211776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8653465800).

8449211776 is an abundant number, since it is smaller than the sum of its proper divisors (8857719824).

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

8449211776 is a wasteful number, since it uses less digits than its factorization.

8449211776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027 (or 6015 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 8449211776 is about 91919.5940809140. The cubic root of 8449211776 is about 2036.7547221734.

The spelling of 8449211776 in words is "eight billion, four hundred forty-nine million, two hundred eleven thousand, seven hundred seventy-six".