82968911986929 has 4 divisors (see below), whose sum is σ = 110625215982576. Its totient is φ = 55312607991284.

The previous prime is 82968911986889. The next prime is 82968911986949. The reversal of 82968911986929 is 92968911986928.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82968911986929 - 2⁸ = 82968911986673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82968911986949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13828151997819 + ... + 13828151997824.

It is an arithmetic number, because the mean of its divisors is an integer number (27656303995644).

Almost surely, 2^{82968911986929} is an apocalyptic number.

It is an amenable number.

82968911986929 is a deficient number, since it is larger than the sum of its proper divisors (27656303995647).

82968911986929 is a wasteful number, since it uses less digits than its factorization.

82968911986929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27656303995646.

The product of its digits is 4353564672, while the sum is 87.

Subtracting 82968911986929 from its reverse (92968911986928), we obtain a palindrome (9999999999999).

The spelling of 82968911986929 in words is "eighty-two trillion, nine hundred sixty-eight billion, nine hundred eleven million, nine hundred eighty-six thousand, nine hundred twenty-nine".