10979478817 has 2 divisors, whose sum is σ = 10979478818. Its totient is φ = 10979478816.

The previous prime is 10979478761. The next prime is 10979478823. The reversal of 10979478817 is 71887497901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8050396176 + 2929082641 = 89724^2 + 54121^2 .

It is a cyclic number.

It is not a de Polignac number, because 10979478817 - 2¹¹ = 10979476769 is a prime.

It is not a weakly prime, because it can be changed into another prime (10979478857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5489739408 + 5489739409.

It is an arithmetic number, because the mean of its divisors is an integer number (5489739409).

Almost surely, 2^10979478817 is an apocalyptic number.

It is an amenable number.

10979478817 is a deficient number, since it is larger than the sum of its proper divisors (1).

10979478817 is an equidigital number, since it uses as much as digits as its factorization.

10979478817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 61.

The spelling of 10979478817 in words is "ten billion, nine hundred seventy-nine million, four hundred seventy-eight thousand, eight hundred seventeen".