83039915 has 16 divisors (see below), whose sum is σ = 114573312. Its totient is φ = 56596704.

The previous prime is 83039911. The next prime is 83039927. The reversal of 83039915 is 51993038.

It is a cyclic number.

It is not a de Polignac number, because 83039915 - 2² = 83039911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83039911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259 + ... + 12948.

It is an arithmetic number, because the mean of its divisors is an integer number (7160832).

Almost surely, 2^83039915 is an apocalyptic number.

83039915 is a deficient number, since it is larger than the sum of its proper divisors (31533397).

83039915 is a wasteful number, since it uses less digits than its factorization.

83039915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14386.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 83039915 is about 9112.6239360571. The cubic root of 83039915 is about 436.2769804579.

The spelling of 83039915 in words is "eighty-three million, thirty-nine thousand, nine hundred fifteen".