83379285 has 36 divisors (see below), whose sum is σ = 158867436. Its totient is φ = 40423680.

The previous prime is 83379251. The next prime is 83379293. The reversal of 83379285 is 58297338.

It can be written as a sum of positive squares in 2 ways, for example, as 8625969 + 74753316 = 2937^2 + 8646^2 .

It is not a de Polignac number, because 83379285 - 2⁷ = 83379157 is a prime.

It is a super-2 number, since 2×83379285² = 13904210334222450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 83379285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2212 + ... + 13101.

Almost surely, 2^83379285 is an apocalyptic number.

It is an amenable number.

83379285 is a deficient number, since it is larger than the sum of its proper divisors (75488151).

83379285 is a wasteful number, since it uses less digits than its factorization.

83379285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15346 (or 15332 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 83379285 is about 9131.2258213232. The cubic root of 83379285 is about 436.8705025724.

The spelling of 83379285 in words is "eighty-three million, three hundred seventy-nine thousand, two hundred eighty-five".