83820550524238 has 16 divisors (see below), whose sum is σ = 137162281409280. Its totient is φ = 38099866751800.

The previous prime is 83820550524203. The next prime is 83820550524257. The reversal of 83820550524238 is 83242505502838.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16933078 + ... + 21315961.

It is an arithmetic number, because the mean of its divisors is an integer number (8572642588080).

Almost surely, 2^{83820550524238} is an apocalyptic number.

83820550524238 is a deficient number, since it is larger than the sum of its proper divisors (53341730885042).

83820550524238 is a wasteful number, since it uses less digits than its factorization.

83820550524238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38348663.

The product of its (nonzero) digits is 18432000, while the sum is 55.

The spelling of 83820550524238 in words is "eighty-three trillion, eight hundred twenty billion, five hundred fifty million, five hundred twenty-four thousand, two hundred thirty-eight".