83708144 has 20 divisors (see below), whose sum is σ = 174660696. Its totient is φ = 38634432.

The previous prime is 83708089. The next prime is 83708159. The reversal of 83708144 is 44180738.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201014 + ... + 201429.

Almost surely, 2^83708144 is an apocalyptic number.

It is an amenable number.

83708144 is an abundant number, since it is smaller than the sum of its proper divisors (90952552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83708144 is a wasteful number, since it uses less digits than its factorization.

83708144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402464 (or 402458 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 83708144 is about 9149.2154854938. The cubic root of 83708144 is about 437.4441075809. Note that the first 3 decimals are identical.

The spelling of 83708144 in words is "eighty-three million, seven hundred eight thousand, one hundred forty-four".