65127763237 has 4 divisors (see below), whose sum is σ = 65357896960. Its totient is φ = 64897629516.

The previous prime is 65127763223. The next prime is 65127763241. The reversal of 65127763237 is 73236772156.

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 a cyclic number.

It is not a de Polignac number, because 65127763237 - 2²³ = 65119374629 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 (65127769237) 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, 115066437 + ... + 115067002.

It is an arithmetic number, because the mean of its divisors is an integer number (16339474240).

Almost surely, 2^65127763237 is an apocalyptic number.

It is an amenable number.

65127763237 is a deficient number, since it is larger than the sum of its proper divisors (230133723).

65127763237 is a wasteful number, since it uses less digits than its factorization.

65127763237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230133722.

The product of its digits is 2222640, while the sum is 49.

The spelling of 65127763237 in words is "sixty-five billion, one hundred twenty-seven million, seven hundred sixty-three thousand, two hundred thirty-seven".