42876060917 has 2 divisors, whose sum is σ = 42876060918. Its totient is φ = 42876060916.

The previous prime is 42876060889. The next prime is 42876060943. The reversal of 42876060917 is 71906067824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34926376996 + 7949683921 = 186886^2 + 89161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42876060917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42876060977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21438030458 + 21438030459.

It is an arithmetic number, because the mean of its divisors is an integer number (21438030459).

Almost surely, 2^42876060917 is an apocalyptic number.

It is an amenable number.

42876060917 is a deficient number, since it is larger than the sum of its proper divisors (1).

42876060917 is an equidigital number, since it uses as much as digits as its factorization.

42876060917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 42876060917 in words is "forty-two billion, eight hundred seventy-six million, sixty thousand, nine hundred seventeen".