879505981741 has 2 divisors, whose sum is σ = 879505981742. Its totient is φ = 879505981740.

The previous prime is 879505981691. The next prime is 879505981759. The reversal of 879505981741 is 147189505978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 833485006116 + 46020975625 = 912954^2 + 214525^2 .

It is a cyclic number.

It is not a de Polignac number, because 879505981741 - 2⁹ = 879505981229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879505981241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439752990870 + 439752990871.

It is an arithmetic number, because the mean of its divisors is an integer number (439752990871).

Almost surely, 2^879505981741 is an apocalyptic number.

It is an amenable number.

879505981741 is a deficient number, since it is larger than the sum of its proper divisors (1).

879505981741 is an equidigital number, since it uses as much as digits as its factorization.

879505981741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 64.

The spelling of 879505981741 in words is "eight hundred seventy-nine billion, five hundred five million, nine hundred eighty-one thousand, seven hundred forty-one".