7896220565 has 16 divisors (see below), whose sum is σ = 9627340800. Its totient is φ = 6216124032.

The previous prime is 7896220547. The next prime is 7896220663. The reversal of 7896220565 is 5650226987.

7896220565 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7896220565 - 2¹² = 7896216469 is a prime.

It is a super-2 number, since 2×7896220565² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135596 + ... + 184874.

It is an arithmetic number, because the mean of its divisors is an integer number (601708800).

Almost surely, 2^7896220565 is an apocalyptic number.

It is an amenable number.

7896220565 is a deficient number, since it is larger than the sum of its proper divisors (1731120235).

7896220565 is a wasteful number, since it uses less digits than its factorization.

7896220565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49796.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The square root of 7896220565 is about 88860.6806467292. The cubic root of 7896220565 is about 1991.3140454567.

The spelling of 7896220565 in words is "seven billion, eight hundred ninety-six million, two hundred twenty thousand, five hundred sixty-five".