65560678087 has 4 divisors (see below), whose sum is σ = 65962891000. Its totient is φ = 65158465176.

The previous prime is 65560678081. The next prime is 65560678111. The reversal of 65560678087 is 78087606556.

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 65560678087 - 2²³ = 65552289479 is a prime.

It is a super-2 number, since 2×65560678087² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65560678081) 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, 201106212 + ... + 201106537.

It is an arithmetic number, because the mean of its divisors is an integer number (16490722750).

Almost surely, 2^65560678087 is an apocalyptic number.

65560678087 is a deficient number, since it is larger than the sum of its proper divisors (402212913).

65560678087 is a wasteful number, since it uses less digits than its factorization.

65560678087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402212912.

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 65560678087 in words is "sixty-five billion, five hundred sixty million, six hundred seventy-eight thousand, eighty-seven".