80233981 has 8 divisors (see below), whose sum is σ = 83502720. Its totient is φ = 76998768.

The previous prime is 80233949. The next prime is 80233991. The reversal of 80233981 is 18933208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80233981 - 2⁵ = 80233949 is a prime.

It is a super-2 number, since 2×80233981² = 12874983414216722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80233991) 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, 3441 + ... + 13126.

It is an arithmetic number, because the mean of its divisors is an integer number (10437840).

Almost surely, 2^80233981 is an apocalyptic number.

It is an amenable number.

80233981 is a deficient number, since it is larger than the sum of its proper divisors (3268739).

80233981 is a wasteful number, since it uses less digits than its factorization.

80233981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16763.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 80233981 is about 8957.3422955696. The cubic root of 80233981 is about 431.3066097778.

The spelling of 80233981 in words is "eighty million, two hundred thirty-three thousand, nine hundred eighty-one".