162447479 has 2 divisors, whose sum is σ = 162447480. Its totient is φ = 162447478.

The previous prime is 162447449. The next prime is 162447497. The reversal of 162447479 is 974744261.

Together with next prime (162447497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162447479 - 2²⁰ = 161398903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162447449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81223739 + 81223740.

It is an arithmetic number, because the mean of its divisors is an integer number (81223740).

Almost surely, 2^162447479 is an apocalyptic number.

162447479 is a deficient number, since it is larger than the sum of its proper divisors (1).

162447479 is an equidigital number, since it uses as much as digits as its factorization.

162447479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 44.

The square root of 162447479 is about 12745.4885743937. The cubic root of 162447479 is about 545.6376443796.

The spelling of 162447479 in words is "one hundred sixty-two million, four hundred forty-seven thousand, four hundred seventy-nine".