83944507 has 8 divisors (see below), whose sum is σ = 87206112. Its totient is φ = 80740800.

The previous prime is 83944493. The next prime is 83944517. The reversal of 83944507 is 70544938.

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 83944507 - 2¹¹ = 83942459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83944507.

It is not an unprimeable number, because it can be changed into a prime (83944517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11508 + ... + 17329.

It is an arithmetic number, because the mean of its divisors is an integer number (10900764).

Almost surely, 2^83944507 is an apocalyptic number.

83944507 is a deficient number, since it is larger than the sum of its proper divisors (3261605).

83944507 is a wasteful number, since it uses less digits than its factorization.

83944507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28949.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 83944507 is about 9162.1234984036. The cubic root of 83944507 is about 437.8554512136.

The spelling of 83944507 in words is "eighty-three million, nine hundred forty-four thousand, five hundred seven".