8732261216 has 24 divisors (see below), whose sum is σ = 19647588240. Its totient is φ = 3742397568.

The previous prime is 8732261207. The next prime is 8732261269. The reversal of 8732261216 is 6121622378.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8732261216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19491431 + ... + 19491878.

It is an arithmetic number, because the mean of its divisors is an integer number (818649510).

Almost surely, 2^8732261216 is an apocalyptic number.

It is an amenable number.

8732261216 is an abundant number, since it is smaller than the sum of its proper divisors (10915327024).

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

8732261216 is a wasteful number, since it uses less digits than its factorization.

8732261216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38983326 (or 38983318 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 8732261216 is about 93446.5687759588. The cubic root of 8732261216 is about 2059.2492013672.

The spelling of 8732261216 in words is "eight billion, seven hundred thirty-two million, two hundred sixty-one thousand, two hundred sixteen".