83881208 has 8 divisors (see below), whose sum is σ = 157277280. Its totient is φ = 41940600.

The previous prime is 83881201. The next prime is 83881249. The reversal of 83881208 is 80218838.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83881201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5242568 + ... + 5242583.

It is an arithmetic number, because the mean of its divisors is an integer number (19659660).

Almost surely, 2^83881208 is an apocalyptic number.

It is an amenable number.

83881208 is a deficient number, since it is larger than the sum of its proper divisors (73396072).

83881208 is a wasteful number, since it uses less digits than its factorization.

83881208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10485157 (or 10485153 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 83881208 is about 9158.6684621729. The cubic root of 83881208 is about 437.7453674509.

The spelling of 83881208 in words is "eighty-three million, eight hundred eighty-one thousand, two hundred eight".