65795881497 has 8 divisors (see below), whose sum is σ = 89768024544. Its totient is φ = 42843829728.

The previous prime is 65795881433. The next prime is 65795881499. The reversal of 65795881497 is 79418859756.

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

It is not a de Polignac number, because 65795881497 - 2⁶ = 65795881433 is a prime.

It is a super-2 number, since 2×65795881497² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65795881499) 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, 255022668 + ... + 255022925.

It is an arithmetic number, because the mean of its divisors is an integer number (11221003068).

Almost surely, 2^65795881497 is an apocalyptic number.

It is an amenable number.

65795881497 is a deficient number, since it is larger than the sum of its proper divisors (23972143047).

65795881497 is a wasteful number, since it uses less digits than its factorization.

65795881497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510045639.

The product of its digits is 152409600, while the sum is 69.

The spelling of 65795881497 in words is "sixty-five billion, seven hundred ninety-five million, eight hundred eighty-one thousand, four hundred ninety-seven".