42823314293777 has 2 divisors, whose sum is σ = 42823314293778. Its totient is φ = 42823314293776.

The previous prime is 42823314293759. The next prime is 42823314293801. The reversal of 42823314293777 is 77739241332824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29304044249041 + 13519270044736 = 5413321^2 + 3676856^2 .

It is a cyclic number.

It is not a de Polignac number, because 42823314293777 - 2¹⁶ = 42823314228241 is a prime.

It is not a weakly prime, because it can be changed into another prime (42823314293377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21411657146888 + 21411657146889.

It is an arithmetic number, because the mean of its divisors is an integer number (21411657146889).

Almost surely, 2^{42823314293777} is an apocalyptic number.

It is an amenable number.

42823314293777 is a deficient number, since it is larger than the sum of its proper divisors (1).

42823314293777 is an equidigital number, since it uses as much as digits as its factorization.

42823314293777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85349376, while the sum is 62.

The spelling of 42823314293777 in words is "forty-two trillion, eight hundred twenty-three billion, three hundred fourteen million, two hundred ninety-three thousand, seven hundred seventy-seven".