82889137 has 2 divisors, whose sum is σ = 82889138. Its totient is φ = 82889136.

The previous prime is 82889101. The next prime is 82889141. The reversal of 82889137 is 73198828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60902416 + 21986721 = 7804^2 + 4689^2 .

It is a cyclic number.

It is not a de Polignac number, because 82889137 - 2¹¹ = 82887089 is a prime.

It is not a weakly prime, because it can be changed into another prime (82889197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41444568 + 41444569.

It is an arithmetic number, because the mean of its divisors is an integer number (41444569).

Almost surely, 2^82889137 is an apocalyptic number.

It is an amenable number.

82889137 is a deficient number, since it is larger than the sum of its proper divisors (1).

82889137 is an equidigital number, since it uses as much as digits as its factorization.

82889137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 46.

The square root of 82889137 is about 9104.3471484780. The cubic root of 82889137 is about 436.0127668596.

The spelling of 82889137 in words is "eighty-two million, eight hundred eighty-nine thousand, one hundred thirty-seven".