83827799772838 has 32 divisors (see below), whose sum is σ = 137208582144000. Its totient is φ = 38093596932960.

The previous prime is 83827799772817. The next prime is 83827799772839.

83827799772838 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83827799772839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1996687195 + ... + 1996729177.

It is an arithmetic number, because the mean of its divisors is an integer number (4287768192000).

Almost surely, 2^{83827799772838} is an apocalyptic number.

83827799772838 is a deficient number, since it is larger than the sum of its proper divisors (53380782371162).

83827799772838 is a wasteful number, since it uses less digits than its factorization.

83827799772838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63532.

The product of its digits is 28677390336, while the sum is 88.

The spelling of 83827799772838 in words is "eighty-three trillion, eight hundred twenty-seven billion, seven hundred ninety-nine million, seven hundred seventy-two thousand, eight hundred thirty-eight".