82377959 has 2 divisors, whose sum is σ = 82377960. Its totient is φ = 82377958.

The previous prime is 82377871. The next prime is 82377989. The reversal of 82377959 is 95977328.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82377959 - 2⁸ = 82377703 is a prime.

It is a super-2 number, since 2×82377959² = 13572256258011362, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82377989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41188979 + 41188980.

It is an arithmetic number, because the mean of its divisors is an integer number (41188980).

Almost surely, 2^82377959 is an apocalyptic number.

82377959 is a deficient number, since it is larger than the sum of its proper divisors (1).

82377959 is an equidigital number, since it uses as much as digits as its factorization.

82377959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 50.

The square root of 82377959 is about 9076.2304400010. The cubic root of 82377959 is about 435.1146199036.

The spelling of 82377959 in words is "eighty-two million, three hundred seventy-seven thousand, nine hundred fifty-nine".