83816856 has 40 divisors (see below), whose sum is σ = 234766620. Its totient is φ = 27938736.

The previous prime is 83816801. The next prime is 83816879. The reversal of 83816856 is 65861838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 64026 + ... + 65321.

Almost surely, 2^83816856 is an apocalyptic number.

It is an amenable number.

83816856 is an abundant number, since it is smaller than the sum of its proper divisors (150949764).

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

83816856 is a wasteful number, since it uses less digits than its factorization.

83816856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129365 (or 129352 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 83816856 is about 9155.1546136589. The cubic root of 83816856 is about 437.6333956223.

The spelling of 83816856 in words is "eighty-three million, eight hundred sixteen thousand, eight hundred fifty-six".