65798084757 has 4 divisors (see below), whose sum is σ = 87730779680. Its totient is φ = 43865389836.

The previous prime is 65798084713. The next prime is 65798084761. The reversal of 65798084757 is 75748089756.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 65798084757 - 2¹⁹ = 65797560469 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 (65798084057) 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, 10966347457 + ... + 10966347462.

It is an arithmetic number, because the mean of its divisors is an integer number (21932694920).

Almost surely, 2^65798084757 is an apocalyptic number.

It is an amenable number.

65798084757 is a deficient number, since it is larger than the sum of its proper divisors (21932694923).

65798084757 is a wasteful number, since it uses less digits than its factorization.

65798084757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21932694922.

The product of its (nonzero) digits is 118540800, while the sum is 66.

The spelling of 65798084757 in words is "sixty-five billion, seven hundred ninety-eight million, eighty-four thousand, seven hundred fifty-seven".