7216314587 has 4 divisors (see below), whose sum is σ = 7352471520. Its totient is φ = 7080157656.

The previous prime is 7216314569. The next prime is 7216314617. The reversal of 7216314587 is 7854136127.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7216314587 - 2²⁰ = 7215266011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7216314517) 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, 68078387 + ... + 68078492.

It is an arithmetic number, because the mean of its divisors is an integer number (1838117880).

Almost surely, 2^7216314587 is an apocalyptic number.

7216314587 is a deficient number, since it is larger than the sum of its proper divisors (136156933).

7216314587 is a wasteful number, since it uses less digits than its factorization.

7216314587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136156932.

The product of its digits is 282240, while the sum is 44.

The square root of 7216314587 is about 84948.8939716110. The cubic root of 7216314587 is about 1932.4361468303.

The spelling of 7216314587 in words is "seven billion, two hundred sixteen million, three hundred fourteen thousand, five hundred eighty-seven".