65377947887611 has 2 divisors, whose sum is σ = 65377947887612. Its totient is φ = 65377947887610.

The previous prime is 65377947887591. The next prime is 65377947887663. The reversal of 65377947887611 is 11678874977356.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65377947887611 is a prime.

It is not a weakly prime, because it can be changed into another prime (65377947887411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32688973943805 + 32688973943806.

It is an arithmetic number, because the mean of its divisors is an integer number (32688973943806).

Almost surely, 2^{65377947887611} is an apocalyptic number.

65377947887611 is a deficient number, since it is larger than the sum of its proper divisors (1).

65377947887611 is an equidigital number, since it uses as much as digits as its factorization.

65377947887611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2987228160, while the sum is 79.

The spelling of 65377947887611 in words is "sixty-five trillion, three hundred seventy-seven billion, nine hundred forty-seven million, eight hundred eighty-seven thousand, six hundred eleven".