7865000007216 has 160 divisors (see below), whose sum is σ = 24014611323648. Its totient is φ = 2190971166720.

The previous prime is 7865000007191. The next prime is 7865000007217. The reversal of 7865000007216 is 6127000005687.

It is a super-2 number, since 2×7865000007216² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7865000007217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9802701 + ... + 10574636.

Almost surely, 2^{7865000007216} is an apocalyptic number.

It is an amenable number.

7865000007216 is an abundant number, since it is smaller than the sum of its proper divisors (16149611316432).

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

7865000007216 is a wasteful number, since it uses less digits than its factorization.

7865000007216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20377419 (or 20377413 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 7865000007216 in words is "seven trillion, eight hundred sixty-five billion, seven thousand, two hundred sixteen".