82965121487 has 2 divisors, whose sum is σ = 82965121488. Its totient is φ = 82965121486.

The previous prime is 82965121411. The next prime is 82965121493. The reversal of 82965121487 is 78412156928.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82965121487 - 2²⁶ = 82898012623 is a prime.

It is a super-2 number, since 2×82965121487² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82965121387) 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, 41482560743 + 41482560744.

It is an arithmetic number, because the mean of its divisors is an integer number (41482560744).

Almost surely, 2^82965121487 is an apocalyptic number.

82965121487 is a deficient number, since it is larger than the sum of its proper divisors (1).

82965121487 is an equidigital number, since it uses as much as digits as its factorization.

82965121487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 53.

It can be divided in two parts, 82 and 965121487, that added together give a palindrome (965121569).

The spelling of 82965121487 in words is "eighty-two billion, nine hundred sixty-five million, one hundred twenty-one thousand, four hundred eighty-seven".