83275638 has 16 divisors (see below), whose sum is σ = 168660480. Its totient is φ = 27407016.

The previous prime is 83275627. The next prime is 83275679. The reversal of 83275638 is 83657238.

It is a self number, because there is not a number n which added to its sum of digits gives 83275638.

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, 87370 + ... + 88317.

It is an arithmetic number, because the mean of its divisors is an integer number (10541280).

Almost surely, 2^83275638 is an apocalyptic number.

83275638 is an abundant number, since it is smaller than the sum of its proper divisors (85384842).

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

83275638 is a wasteful number, since it uses less digits than its factorization.

83275638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175771.

The product of its digits is 241920, while the sum is 42.

The square root of 83275638 is about 9125.5486410407. The cubic root of 83275638 is about 436.6894060635.

The spelling of 83275638 in words is "eighty-three million, two hundred seventy-five thousand, six hundred thirty-eight".