86982628969 has 2 divisors, whose sum is σ = 86982628970. Its totient is φ = 86982628968.

The previous prime is 86982628933. The next prime is 86982629009. The reversal of 86982628969 is 96982628968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64546483600 + 22436145369 = 254060^2 + 149787^2 .

It is a cyclic number.

It is not a de Polignac number, because 86982628969 - 2¹⁷ = 86982497897 is a prime.

It is a super-2 number, since 2×86982628969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86982628769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43491314484 + 43491314485.

It is an arithmetic number, because the mean of its divisors is an integer number (43491314485).

Almost surely, 2^86982628969 is an apocalyptic number.

It is an amenable number.

86982628969 is a deficient number, since it is larger than the sum of its proper divisors (1).

86982628969 is an equidigital number, since it uses as much as digits as its factorization.

86982628969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322486272, while the sum is 73.

Subtracting 86982628969 from its reverse (96982628968), we obtain a palindrome (9999999999).

The spelling of 86982628969 in words is "eighty-six billion, nine hundred eighty-two million, six hundred twenty-eight thousand, nine hundred sixty-nine".