82900257061 has 2 divisors, whose sum is σ = 82900257062. Its totient is φ = 82900257060.

The previous prime is 82900257059. The next prime is 82900257067. The reversal of 82900257061 is 16075200928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64084922500 + 18815334561 = 253150^2 + 137169^2 .

It is a cyclic number.

It is not a de Polignac number, because 82900257061 - 2¹ = 82900257059 is a prime.

Together with 82900257059, 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 (82900257067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41450128530 + 41450128531.

It is an arithmetic number, because the mean of its divisors is an integer number (41450128531).

Almost surely, 2^82900257061 is an apocalyptic number.

It is an amenable number.

82900257061 is a deficient number, since it is larger than the sum of its proper divisors (1).

82900257061 is an equidigital number, since it uses as much as digits as its factorization.

82900257061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

Adding to 82900257061 its reverse (16075200928), we get a palindrome (98975457989).

The spelling of 82900257061 in words is "eighty-two billion, nine hundred million, two hundred fifty-seven thousand, sixty-one".