83704407 has 8 divisors (see below), whose sum is σ = 111859584. Its totient is φ = 55676088.

The previous prime is 83704349. The next prime is 83704409. The reversal of 83704407 is 70440738.

It is a happy number.

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

It is not a de Polignac number, because 83704407 - 2⁶ = 83704343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83704409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30163 + ... + 32820.

It is an arithmetic number, because the mean of its divisors is an integer number (13982448).

Almost surely, 2^83704407 is an apocalyptic number.

83704407 is a deficient number, since it is larger than the sum of its proper divisors (28155177).

83704407 is a wasteful number, since it uses less digits than its factorization.

83704407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63429.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 83704407 is about 9149.0112580541. The cubic root of 83704407 is about 437.4375978481.

The spelling of 83704407 in words is "eighty-three million, seven hundred four thousand, four hundred seven".