162542879 has 2 divisors, whose sum is σ = 162542880. Its totient is φ = 162542878.

The previous prime is 162542791. The next prime is 162542917. The reversal of 162542879 is 978245261.

It is a happy number.

162542879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162542879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162545879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81271439 + 81271440.

It is an arithmetic number, because the mean of its divisors is an integer number (81271440).

Almost surely, 2^162542879 is an apocalyptic number.

162542879 is a deficient number, since it is larger than the sum of its proper divisors (1).

162542879 is an equidigital number, since it uses as much as digits as its factorization.

162542879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 162542879 is about 12749.2305258004. The cubic root of 162542879 is about 545.7444350894.

The spelling of 162542879 in words is "one hundred sixty-two million, five hundred forty-two thousand, eight hundred seventy-nine".