65577127747 has 2 divisors, whose sum is σ = 65577127748. Its totient is φ = 65577127746.

The previous prime is 65577127723. The next prime is 65577127817. The reversal of 65577127747 is 74772177556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65577127747 - 2²⁷ = 65442910019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65577127691 and 65577127700.

It is not a weakly prime, because it can be changed into another prime (65577197747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32788563873 + 32788563874.

It is an arithmetic number, because the mean of its divisors is an integer number (32788563874).

Almost surely, 2^65577127747 is an apocalyptic number.

65577127747 is a deficient number, since it is larger than the sum of its proper divisors (1).

65577127747 is an equidigital number, since it uses as much as digits as its factorization.

65577127747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20168400, while the sum is 58.

The spelling of 65577127747 in words is "sixty-five billion, five hundred seventy-seven million, one hundred twenty-seven thousand, seven hundred forty-seven".