82982947 has 2 divisors, whose sum is σ = 82982948. Its totient is φ = 82982946.

The previous prime is 82982929. The next prime is 82982957. The reversal of 82982947 is 74928928.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82982947 - 2¹⁹ = 82458659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82982947.

It is not a weakly prime, because it can be changed into another prime (82982927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41491473 + 41491474.

It is an arithmetic number, because the mean of its divisors is an integer number (41491474).

Almost surely, 2^82982947 is an apocalyptic number.

82982947 is a deficient number, since it is larger than the sum of its proper divisors (1).

82982947 is an equidigital number, since it uses as much as digits as its factorization.

82982947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 49.

The square root of 82982947 is about 9109.4976261043. The cubic root of 82982947 is about 436.1771910466.

The spelling of 82982947 in words is "eighty-two million, nine hundred eighty-two thousand, nine hundred forty-seven".