65065969787 has 8 divisors (see below), whose sum is σ = 80081193696. Its totient is φ = 51480767232.

The previous prime is 65065969769. The next prime is 65065969819. The reversal of 65065969787 is 78796956056.

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

It is a cyclic number.

It is not a de Polignac number, because 65065969787 - 2¹⁰ = 65065968763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65065969187) 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, 357505238 + ... + 357505419.

It is an arithmetic number, because the mean of its divisors is an integer number (10010149212).

Almost surely, 2^65065969787 is an apocalyptic number.

65065969787 is a deficient number, since it is larger than the sum of its proper divisors (15015223909).

65065969787 is a wasteful number, since it uses less digits than its factorization.

65065969787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715010677.

The product of its (nonzero) digits is 171460800, while the sum is 68.

The spelling of 65065969787 in words is "sixty-five billion, sixty-five million, nine hundred sixty-nine thousand, seven hundred eighty-seven".