82126427 has 2 divisors, whose sum is σ = 82126428. Its totient is φ = 82126426.

The previous prime is 82126423. The next prime is 82126469. The reversal of 82126427 is 72462128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82126427 - 2² = 82126423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82126393 and 82126402.

It is not a weakly prime, because it can be changed into another prime (82126423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41063213 + 41063214.

It is an arithmetic number, because the mean of its divisors is an integer number (41063214).

Almost surely, 2^82126427 is an apocalyptic number.

82126427 is a deficient number, since it is larger than the sum of its proper divisors (1).

82126427 is an equidigital number, since it uses as much as digits as its factorization.

82126427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 82126427 is about 9062.3632127608. The cubic root of 82126427 is about 434.6713102520.

The spelling of 82126427 in words is "eighty-two million, one hundred twenty-six thousand, four hundred twenty-seven".