83217712 has 10 divisors (see below), whose sum is σ = 161234348. Its totient is φ = 41608848.

The previous prime is 83217697. The next prime is 83217713. The reversal of 83217712 is 21771238.

It is not an unprimeable number, because it can be changed into a prime (83217713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600538 + ... + 2600569.

Almost surely, 2^83217712 is an apocalyptic number.

It is an amenable number.

83217712 is a deficient number, since it is larger than the sum of its proper divisors (78016636).

83217712 is a wasteful number, since it uses less digits than its factorization.

83217712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201115 (or 5201109 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 83217712 is about 9122.3742523534. The cubic root of 83217712 is about 436.5881297936.

The spelling of 83217712 in words is "eighty-three million, two hundred seventeen thousand, seven hundred twelve".