162077939 has 2 divisors, whose sum is σ = 162077940. Its totient is φ = 162077938.

The previous prime is 162077921. The next prime is 162077953. The reversal of 162077939 is 939770261.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162077939 - 2¹² = 162073843 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162077939.

It is not a weakly prime, because it can be changed into another prime (162077969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81038969 + 81038970.

It is an arithmetic number, because the mean of its divisors is an integer number (81038970).

Almost surely, 2^162077939 is an apocalyptic number.

162077939 is a deficient number, since it is larger than the sum of its proper divisors (1).

162077939 is an equidigital number, since it uses as much as digits as its factorization.

162077939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 162077939 is about 12730.9834262715. The cubic root of 162077939 is about 545.2235864026.

The spelling of 162077939 in words is "one hundred sixty-two million, seventy-seven thousand, nine hundred thirty-nine".