83017215 has 12 divisors (see below), whose sum is σ = 143896584. Its totient is φ = 44275824.

The previous prime is 83017211. The next prime is 83017241. The reversal of 83017215 is 51271038.

It is not a de Polignac number, because 83017215 - 2² = 83017211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83017211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 922369 + ... + 922458.

It is an arithmetic number, because the mean of its divisors is an integer number (11991382).

Almost surely, 2^83017215 is an apocalyptic number.

83017215 is a deficient number, since it is larger than the sum of its proper divisors (60879369).

83017215 is a wasteful number, since it uses less digits than its factorization.

83017215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844838 (or 1844835 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 83017215 is about 9111.3783260273. The cubic root of 83017215 is about 436.2372229108.

The spelling of 83017215 in words is "eighty-three million, seventeen thousand, two hundred fifteen".