83363681 has 4 divisors (see below), whose sum is σ = 86052864. Its totient is φ = 80674500.

The previous prime is 83363671. The next prime is 83363711. The reversal of 83363681 is 18636338.

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 83363681 - 2⁶ = 83363617 is a prime.

It is a super-2 number, since 2×83363681² = 13899006619739522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83363641) 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, 1344545 + ... + 1344606.

It is an arithmetic number, because the mean of its divisors is an integer number (21513216).

Almost surely, 2^83363681 is an apocalyptic number.

It is an amenable number.

83363681 is a deficient number, since it is larger than the sum of its proper divisors (2689183).

83363681 is a wasteful number, since it uses less digits than its factorization.

83363681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689182.

The product of its digits is 62208, while the sum is 38.

The square root of 83363681 is about 9130.3713506078. The cubic root of 83363681 is about 436.8432481905.

The spelling of 83363681 in words is "eighty-three million, three hundred sixty-three thousand, six hundred eighty-one".