7776231216 has 320 divisors, whose sum is σ = 23518494720. Its totient is φ = 2195988480.

The previous prime is 7776231173. The next prime is 7776231217. The reversal of 7776231216 is 6121326777.

It is not an unprimeable number, because it can be changed into a prime (7776231217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34870881 + ... + 34871103.

It is an arithmetic number, because the mean of its divisors is an integer number (73495296).

Almost surely, 2^7776231216 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 7776231216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11759247360).

7776231216 is an abundant number, since it is smaller than the sum of its proper divisors (15742263504).

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

7776231216 is a wasteful number, since it uses less digits than its factorization.

7776231216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 358 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The square root of 7776231216 is about 88182.9417517923. The cubic root of 7776231216 is about 1981.1759854182.

The spelling of 7776231216 in words is "seven billion, seven hundred seventy-six million, two hundred thirty-one thousand, two hundred sixteen".