83438218297 has 8 divisors (see below), whose sum is σ = 97935206336. Its totient is φ = 69585540912.

The previous prime is 83438218261. The next prime is 83438218379. The reversal of 83438218297 is 79281283438.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83438218297 - 2⁷ = 83438218169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83438218207) 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 7 ways as a sum of consecutive naturals, for example, 161077383 + ... + 161077900.

It is an arithmetic number, because the mean of its divisors is an integer number (12241900792).

Almost surely, 2^83438218297 is an apocalyptic number.

It is an amenable number.

83438218297 is a deficient number, since it is larger than the sum of its proper divisors (14496988039).

83438218297 is a wasteful number, since it uses less digits than its factorization.

83438218297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322155327.

The product of its digits is 4644864, while the sum is 55.

The spelling of 83438218297 in words is "eighty-three billion, four hundred thirty-eight million, two hundred eighteen thousand, two hundred ninety-seven".