83456881 has 4 divisors (see below), whose sum is σ = 83505472. Its totient is φ = 83408292.

The previous prime is 83456861. The next prime is 83456887. The reversal of 83456881 is 18865438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83456881 - 2⁷ = 83456753 is a prime.

It is a super-2 number, since 2×83456881² = 13930101972496322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83456887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21621 + ... + 25186.

It is an arithmetic number, because the mean of its divisors is an integer number (20876368).

Almost surely, 2^83456881 is an apocalyptic number.

It is an amenable number.

83456881 is a deficient number, since it is larger than the sum of its proper divisors (48591).

83456881 is a wasteful number, since it uses less digits than its factorization.

83456881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48590.

The product of its digits is 184320, while the sum is 43.

The square root of 83456881 is about 9135.4737698709. The cubic root of 83456881 is about 437.0059834372.

The spelling of 83456881 in words is "eighty-three million, four hundred fifty-six thousand, eight hundred eighty-one".