163472879 has 2 divisors, whose sum is σ = 163472880. Its totient is φ = 163472878.

The previous prime is 163472873. The next prime is 163472917. The reversal of 163472879 is 978274361.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163472879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163472873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81736439 + 81736440.

It is an arithmetic number, because the mean of its divisors is an integer number (81736440).

Almost surely, 2^163472879 is an apocalyptic number.

163472879 is a deficient number, since it is larger than the sum of its proper divisors (1).

163472879 is an equidigital number, since it uses as much as digits as its factorization.

163472879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 163472879 is about 12785.6512935400. The cubic root of 163472879 is about 546.7832941149.

The spelling of 163472879 in words is "one hundred sixty-three million, four hundred seventy-two thousand, eight hundred seventy-nine".