83475188138 has 16 divisors (see below), whose sum is σ = 131533718400. Its totient is φ = 39654973776.

The previous prime is 83475188119. The next prime is 83475188143. The reversal of 83475188138 is 83188157438.

It is a super-4 number, since 4×83475188138⁴ (a number of 45 digits) contains 4444 as substring.

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, 6082670 + ... + 6096377.

It is an arithmetic number, because the mean of its divisors is an integer number (8220857400).

Almost surely, 2^83475188138 is an apocalyptic number.

83475188138 is a deficient number, since it is larger than the sum of its proper divisors (48058530262).

83475188138 is a wasteful number, since it uses less digits than its factorization.

83475188138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12179221.

The product of its digits is 5160960, while the sum is 56.

The spelling of 83475188138 in words is "eighty-three billion, four hundred seventy-five million, one hundred eighty-eight thousand, one hundred thirty-eight".