979108174391447 has 2 divisors, whose sum is σ = 979108174391448. Its totient is φ = 979108174391446.

The previous prime is 979108174391411. The next prime is 979108174391453. The reversal of 979108174391447 is 744193471801979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 979108174391447 - 2²⁴ = 979108157614231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979108170391447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489554087195723 + 489554087195724.

It is an arithmetic number, because the mean of its divisors is an integer number (489554087195724).

Almost surely, 2^{979108174391447} is an apocalyptic number.

979108174391447 is a deficient number, since it is larger than the sum of its proper divisors (1).

979108174391447 is an equidigital number, since it uses as much as digits as its factorization.

979108174391447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384072192, while the sum is 74.

The spelling of 979108174391447 in words is "nine hundred seventy-nine trillion, one hundred eight billion, one hundred seventy-four million, three hundred ninety-one thousand, four hundred forty-seven".