80989367 has 4 divisors (see below), whose sum is σ = 81137976. Its totient is φ = 80840760.

The previous prime is 80989361. The next prime is 80989369. The reversal of 80989367 is 76398908.

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

It is a cyclic number.

It is not a de Polignac number, because 80989367 - 2⁴ = 80989351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80989361) 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, 73484 + ... + 74577.

It is an arithmetic number, because the mean of its divisors is an integer number (20284494).

Almost surely, 2^80989367 is an apocalyptic number.

80989367 is a deficient number, since it is larger than the sum of its proper divisors (148609).

80989367 is a wasteful number, since it uses less digits than its factorization.

80989367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148608.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 80989367 is about 8999.4092583902. The cubic root of 80989367 is about 432.6559376221.

The spelling of 80989367 in words is "eighty million, nine hundred eighty-nine thousand, three hundred sixty-seven".