82156027 has 2 divisors, whose sum is σ = 82156028. Its totient is φ = 82156026.

The previous prime is 82156001. The next prime is 82156031. The reversal of 82156027 is 72065128.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82156027 is a prime.

It is a super-2 number, since 2×82156027² = 13499225544849458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82156027.

It is not a weakly prime, because it can be changed into another prime (82156037) 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, 41078013 + 41078014.

It is an arithmetic number, because the mean of its divisors is an integer number (41078014).

Almost surely, 2^82156027 is an apocalyptic number.

82156027 is a deficient number, since it is larger than the sum of its proper divisors (1).

82156027 is an equidigital number, since it uses as much as digits as its factorization.

82156027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 82156027 is about 9063.9961937327. The cubic root of 82156027 is about 434.7235253785.

The spelling of 82156027 in words is "eighty-two million, one hundred fifty-six thousand, twenty-seven".