83170090 has 8 divisors (see below), whose sum is σ = 149706180. Its totient is φ = 33268032.

The previous prime is 83170037. The next prime is 83170111. The reversal of 83170090 is 9007138.

It can be written as a sum of positive squares in 2 ways, for example, as 81018001 + 2152089 = 9001^2 + 1467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4158495 + ... + 4158514.

Almost surely, 2^83170090 is an apocalyptic number.

83170090 is a deficient number, since it is larger than the sum of its proper divisors (66536090).

83170090 is a wasteful number, since it uses less digits than its factorization.

83170090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8317016.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 83170090 is about 9119.7637030792. The cubic root of 83170090 is about 436.5048335551.

The spelling of 83170090 in words is "eighty-three million, one hundred seventy thousand, ninety".