80361889 has 8 divisors (see below), whose sum is σ = 83068160. Its totient is φ = 77662800.

The previous prime is 80361857. The next prime is 80361893. The reversal of 80361889 is 98816308.

It is a happy number.

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 80361889 - 2⁵ = 80361857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80361899) 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, 30382 + ... + 32920.

It is an arithmetic number, because the mean of its divisors is an integer number (10383520).

Almost surely, 2^80361889 is an apocalyptic number.

It is an amenable number.

80361889 is a deficient number, since it is larger than the sum of its proper divisors (2706271).

80361889 is a wasteful number, since it uses less digits than its factorization.

80361889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 80361889 is about 8964.4792932998. The cubic root of 80361889 is about 431.5356826107.

The spelling of 80361889 in words is "eighty million, three hundred sixty-one thousand, eight hundred eighty-nine".