83541722238 has 24 divisors (see below), whose sum is σ = 194930685768. Its totient is φ = 25705145232.

The previous prime is 83541722237. The next prime is 83541722273. The reversal of 83541722238 is 83222714538.

83541722238 is a `hidden beast` number, since 8 + 3 + 5 + 417 + 2 + 223 + 8 = 666.

It is a super-2 number, since 2×83541722238² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83541722193 and 83541722202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83541722233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178507720 + ... + 178508187.

It is an arithmetic number, because the mean of its divisors is an integer number (8122111907).

Almost surely, 2^83541722238 is an apocalyptic number.

83541722238 is an abundant number, since it is smaller than the sum of its proper divisors (111388963530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83541722238 is a wasteful number, since it uses less digits than its factorization.

83541722238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357015928 (or 357015925 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 83541722238 in words is "eighty-three billion, five hundred forty-one million, seven hundred twenty-two thousand, two hundred thirty-eight".