82061663 has 2 divisors, whose sum is σ = 82061664. Its totient is φ = 82061662.

The previous prime is 82061659. The next prime is 82061687. The reversal of 82061663 is 36616028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82061663 - 2² = 82061659 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82061633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41030831 + 41030832.

It is an arithmetic number, because the mean of its divisors is an integer number (41030832).

Almost surely, 2^82061663 is an apocalyptic number.

82061663 is a deficient number, since it is larger than the sum of its proper divisors (1).

82061663 is an equidigital number, since it uses as much as digits as its factorization.

82061663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 82061663 is about 9058.7892678878. The cubic root of 82061663 is about 434.5570211943.

The spelling of 82061663 in words is "eighty-two million, sixty-one thousand, six hundred sixty-three".