83316307705777 has 2 divisors, whose sum is σ = 83316307705778. Its totient is φ = 83316307705776.

The previous prime is 83316307705759. The next prime is 83316307705801. The reversal of 83316307705777 is 77750770361338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52820466237361 + 30495841468416 = 7267769^2 + 5522304^2 .

It is a cyclic number.

It is not a de Polignac number, because 83316307705777 - 2¹⁵ = 83316307673009 is a prime.

It is not a weakly prime, because it can be changed into another prime (83316307775777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41658153852888 + 41658153852889.

It is an arithmetic number, because the mean of its divisors is an integer number (41658153852889).

Almost surely, 2^{83316307705777} is an apocalyptic number.

It is an amenable number.

83316307705777 is a deficient number, since it is larger than the sum of its proper divisors (1).

83316307705777 is an equidigital number, since it uses as much as digits as its factorization.

83316307705777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108909360, while the sum is 64.

The spelling of 83316307705777 in words is "eighty-three trillion, three hundred sixteen billion, three hundred seven million, seven hundred five thousand, seven hundred seventy-seven".