80342077 has 2 divisors, whose sum is σ = 80342078. Its totient is φ = 80342076.

The previous prime is 80342069. The next prime is 80342107. The reversal of 80342077 is 77024308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69655716 + 10686361 = 8346^2 + 3269^2 .

It is a cyclic number.

It is not a de Polignac number, because 80342077 - 2³ = 80342069 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 (80342177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40171038 + 40171039.

It is an arithmetic number, because the mean of its divisors is an integer number (40171039).

Almost surely, 2^80342077 is an apocalyptic number.

It is an amenable number.

80342077 is a deficient number, since it is larger than the sum of its proper divisors (1).

80342077 is an equidigital number, since it uses as much as digits as its factorization.

80342077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 80342077 is about 8963.3741972541. The cubic root of 80342077 is about 431.5002168457.

The spelling of 80342077 in words is "eighty million, three hundred forty-two thousand, seventy-seven".