65577127723 has 2 divisors, whose sum is σ = 65577127724. Its totient is φ = 65577127722.

The previous prime is 65577127669. The next prime is 65577127747. The reversal of 65577127723 is 32772177556.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65577127723 is a prime.

It is not a weakly prime, because it can be changed into another prime (65577127123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32788563861 + 32788563862.

It is an arithmetic number, because the mean of its divisors is an integer number (32788563862).

Almost surely, 2^65577127723 is an apocalyptic number.

65577127723 is a deficient number, since it is larger than the sum of its proper divisors (1).

65577127723 is an equidigital number, since it uses as much as digits as its factorization.

65577127723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4321800, while the sum is 52.

The spelling of 65577127723 in words is "sixty-five billion, five hundred seventy-seven million, one hundred twenty-seven thousand, seven hundred twenty-three".