82079377 has 2 divisors, whose sum is σ = 82079378. Its totient is φ = 82079376.

The previous prime is 82079369. The next prime is 82079381. The reversal of 82079377 is 77397028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60466176 + 21613201 = 7776^2 + 4649^2 .

It is a cyclic number.

It is not a de Polignac number, because 82079377 - 2³ = 82079369 is a prime.

It is not a weakly prime, because it can be changed into another prime (82079317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41039688 + 41039689.

It is an arithmetic number, because the mean of its divisors is an integer number (41039689).

Almost surely, 2^82079377 is an apocalyptic number.

It is an amenable number.

82079377 is a deficient number, since it is larger than the sum of its proper divisors (1).

82079377 is an equidigital number, since it uses as much as digits as its factorization.

82079377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 82079377 is about 9059.7669396072. The cubic root of 82079377 is about 434.5882870700.

The spelling of 82079377 in words is "eighty-two million, seventy-nine thousand, three hundred seventy-seven".