162977039 has 2 divisors, whose sum is σ = 162977040. Its totient is φ = 162977038.

The previous prime is 162976999. The next prime is 162977063. The reversal of 162977039 is 930779261.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162977039 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 (162977939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81488519 + 81488520.

It is an arithmetic number, because the mean of its divisors is an integer number (81488520).

Almost surely, 2^162977039 is an apocalyptic number.

162977039 is a deficient number, since it is larger than the sum of its proper divisors (1).

162977039 is an equidigital number, since it uses as much as digits as its factorization.

162977039 is an evil number, because the sum of its binary digits is even.

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

The square root of 162977039 is about 12766.2460809746. The cubic root of 162977039 is about 546.2299064884.

The spelling of 162977039 in words is "one hundred sixty-two million, nine hundred seventy-seven thousand, thirty-nine".