7863216276 has 12 divisors (see below), whose sum is σ = 18347504672. Its totient is φ = 2621072088.

The previous prime is 7863216271. The next prime is 7863216289. The reversal of 7863216276 is 6726123687.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7863216271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327634000 + ... + 327634023.

Almost surely, 2^7863216276 is an apocalyptic number.

It is an amenable number.

7863216276 is an abundant number, since it is smaller than the sum of its proper divisors (10484288396).

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

7863216276 is a wasteful number, since it uses less digits than its factorization.

7863216276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655268030 (or 655268028 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 7863216276 is about 88674.7781277179. The cubic root of 7863216276 is about 1988.5357675816.

The spelling of 7863216276 in words is "seven billion, eight hundred sixty-three million, two hundred sixteen thousand, two hundred seventy-six".