80867231 has 4 divisors (see below), whose sum is σ = 80904792. Its totient is φ = 80829672.

The previous prime is 80867221. The next prime is 80867233. The reversal of 80867231 is 13276808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80867231 is a prime.

It is a super-2 number, since 2×80867231² = 13079018099214722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80867191 and 80867200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80867233) 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, 15341 + ... + 19926.

It is an arithmetic number, because the mean of its divisors is an integer number (20226198).

Almost surely, 2^80867231 is an apocalyptic number.

80867231 is a deficient number, since it is larger than the sum of its proper divisors (37561).

80867231 is a wasteful number, since it uses less digits than its factorization.

80867231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37560.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 80867231 is about 8992.6209193983. The cubic root of 80867231 is about 432.4383393001.

The spelling of 80867231 in words is "eighty million, eight hundred sixty-seven thousand, two hundred thirty-one".