82530057778087 has 2 divisors, whose sum is σ = 82530057778088. Its totient is φ = 82530057778086.

The previous prime is 82530057778061. The next prime is 82530057778099. The reversal of 82530057778087 is 78087775003528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82530057778087 - 2³¹ = 82527910294439 is a prime.

It is a super-2 number, since 2×82530057778087² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82530057778027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41265028889043 + 41265028889044.

It is an arithmetic number, because the mean of its divisors is an integer number (41265028889044).

Almost surely, 2^{82530057778087} is an apocalyptic number.

82530057778087 is a deficient number, since it is larger than the sum of its proper divisors (1).

82530057778087 is an equidigital number, since it uses as much as digits as its factorization.

82530057778087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184396800, while the sum is 67.

The spelling of 82530057778087 in words is "eighty-two trillion, five hundred thirty billion, fifty-seven million, seven hundred seventy-eight thousand, eighty-seven".