82889518501 has 2 divisors, whose sum is σ = 82889518502. Its totient is φ = 82889518500.

The previous prime is 82889518499. The next prime is 82889518529. The reversal of 82889518501 is 10581598828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80346737025 + 2542781476 = 283455^2 + 50426^2 .

It is a cyclic number.

It is not a de Polignac number, because 82889518501 - 2¹ = 82889518499 is a prime.

Together with 82889518499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82889518601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41444759250 + 41444759251.

It is an arithmetic number, because the mean of its divisors is an integer number (41444759251).

Almost surely, 2^82889518501 is an apocalyptic number.

It is an amenable number.

82889518501 is a deficient number, since it is larger than the sum of its proper divisors (1).

82889518501 is an equidigital number, since it uses as much as digits as its factorization.

82889518501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1843200, while the sum is 55.

The spelling of 82889518501 in words is "eighty-two billion, eight hundred eighty-nine million, five hundred eighteen thousand, five hundred one".