83800066 has 8 divisors (see below), whose sum is σ = 143657280. Its totient is φ = 35914308.

The previous prime is 83800043. The next prime is 83800069. The reversal of 83800066 is 66000838.

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

It is not an unprimeable number, because it can be changed into a prime (83800069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2992846 + ... + 2992873.

It is an arithmetic number, because the mean of its divisors is an integer number (17957160).

Almost surely, 2^83800066 is an apocalyptic number.

83800066 is a deficient number, since it is larger than the sum of its proper divisors (59857214).

83800066 is a wasteful number, since it uses less digits than its factorization.

83800066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5985728.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 83800066 is about 9154.2375979652. The cubic root of 83800066 is about 437.6041717654.

The spelling of 83800066 in words is "eighty-three million, eight hundred thousand, sixty-six".