65760005757 has 4 divisors (see below), whose sum is σ = 87680007680. Its totient is φ = 43840003836.

The previous prime is 65760005719. The next prime is 65760005789. The reversal of 65760005757 is 75750006756.

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 65760005757 - 2⁸ = 65760005501 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 (65760005057) 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, 10960000957 + ... + 10960000962.

It is an arithmetic number, because the mean of its divisors is an integer number (21920001920).

Almost surely, 2^65760005757 is an apocalyptic number.

It is an amenable number.

65760005757 is a deficient number, since it is larger than the sum of its proper divisors (21920001923).

65760005757 is a wasteful number, since it uses less digits than its factorization.

65760005757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21920001922.

The product of its (nonzero) digits is 1543500, while the sum is 48.

Subtracting 65760005757 from its reverse (75750006756), we obtain a palindrome (9990000999).

The spelling of 65760005757 in words is "sixty-five billion, seven hundred sixty million, five thousand, seven hundred fifty-seven".