83247052121 has 16 divisors (see below), whose sum is σ = 85384041600. Its totient is φ = 81140330880.

The previous prime is 83247052111. The next prime is 83247052129. The reversal of 83247052121 is 12125074238.

It is a cyclic number.

It is not a de Polignac number, because 83247052121 - 2²⁶ = 83179943257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83247052129) 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 in 15 ways as a sum of consecutive naturals, for example, 3680555 + ... + 3703103.

It is an arithmetic number, because the mean of its divisors is an integer number (5336502600).

Almost surely, 2^83247052121 is an apocalyptic number.

It is an amenable number.

83247052121 is a deficient number, since it is larger than the sum of its proper divisors (2136989479).

83247052121 is a wasteful number, since it uses less digits than its factorization.

83247052121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23216.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 83247052121 in words is "eighty-three billion, two hundred forty-seven million, fifty-two thousand, one hundred twenty-one".