82124506427 has 2 divisors, whose sum is σ = 82124506428. Its totient is φ = 82124506426.

The previous prime is 82124506397. The next prime is 82124506481. The reversal of 82124506427 is 72460542128.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82124506427 - 2¹² = 82124502331 is a prime.

It is not a weakly prime, because it can be changed into another prime (82124506027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41062253213 + 41062253214.

It is an arithmetic number, because the mean of its divisors is an integer number (41062253214).

Almost surely, 2^82124506427 is an apocalyptic number.

82124506427 is a deficient number, since it is larger than the sum of its proper divisors (1).

82124506427 is an equidigital number, since it uses as much as digits as its factorization.

82124506427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 82124506427 in words is "eighty-two billion, one hundred twenty-four million, five hundred six thousand, four hundred twenty-seven".