65350723687 has 8 divisors (see below), whose sum is σ = 68897565360. Its totient is φ = 61814615040.

The previous prime is 65350723681. The next prime is 65350723721. The reversal of 65350723687 is 78632705356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65350723687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65350723681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2670748 + ... + 2695105.

It is an arithmetic number, because the mean of its divisors is an integer number (8612195670).

Almost surely, 2^65350723687 is an apocalyptic number.

65350723687 is a deficient number, since it is larger than the sum of its proper divisors (3546841673).

65350723687 is a wasteful number, since it uses less digits than its factorization.

65350723687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5366513.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 65350723687 in words is "sixty-five billion, three hundred fifty million, seven hundred twenty-three thousand, six hundred eighty-seven".