83856912 has 40 divisors (see below), whose sum is σ = 216980160. Its totient is φ = 27907200.

The previous prime is 83856901. The next prime is 83856917. The reversal of 83856912 is 21965838.

It is not an unprimeable number, because it can be changed into a prime (83856917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43162 + ... + 45062.

It is an arithmetic number, because the mean of its divisors is an integer number (5424504).

Almost surely, 2^83856912 is an apocalyptic number.

It is an amenable number.

83856912 is an abundant number, since it is smaller than the sum of its proper divisors (133123248).

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

83856912 is a wasteful number, since it uses less digits than its factorization.

83856912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831 (or 2825 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 83856912 is about 9157.3419724285. The cubic root of 83856912 is about 437.7030993882.

The spelling of 83856912 in words is "eighty-three million, eight hundred fifty-six thousand, nine hundred twelve".