83937605 has 8 divisors (see below), whose sum is σ = 100774392. Its totient is φ = 67117248.

The previous prime is 83937599. The next prime is 83937613. The reversal of 83937605 is 50673938.

It can be written as a sum of positive squares in 4 ways, for example, as 62694724 + 21242881 = 7918^2 + 4609^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 83937605 - 2¹⁸ = 83675461 is a prime.

It is a Duffinian number.

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, 17087 + ... + 21443.

It is an arithmetic number, because the mean of its divisors is an integer number (12596799).

Almost surely, 2^83937605 is an apocalyptic number.

It is an amenable number.

83937605 is a deficient number, since it is larger than the sum of its proper divisors (16836787).

83937605 is a wasteful number, since it uses less digits than its factorization.

83937605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8215.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 83937605 is about 9161.7468312544. The cubic root of 83937605 is about 437.8434505826.

The spelling of 83937605 in words is "eighty-three million, nine hundred thirty-seven thousand, six hundred five".