82881956623 has 2 divisors, whose sum is σ = 82881956624. Its totient is φ = 82881956622.

The previous prime is 82881956603. The next prime is 82881956657. The reversal of 82881956623 is 32665918828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82881956623 - 2²¹ = 82879859471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82881956603) 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, 41440978311 + 41440978312.

It is an arithmetic number, because the mean of its divisors is an integer number (41440978312).

Almost surely, 2^82881956623 is an apocalyptic number.

82881956623 is a deficient number, since it is larger than the sum of its proper divisors (1).

82881956623 is an equidigital number, since it uses as much as digits as its factorization.

82881956623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9953280, while the sum is 58.

The spelling of 82881956623 in words is "eighty-two billion, eight hundred eighty-one million, nine hundred fifty-six thousand, six hundred twenty-three".