80439001 has 8 divisors (see below), whose sum is σ = 82882440. Its totient is φ = 78029952.

The previous prime is 80438987. The next prime is 80439013. The reversal of 80439001 is 10093408.

It can be written as a sum of positive squares in 4 ways, for example, as 5875776 + 74563225 = 2424^2 + 8635^2 .

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 80439001 - 2⁷ = 80438873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80439031) 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, 3810 + ... + 13243.

It is an arithmetic number, because the mean of its divisors is an integer number (10360305).

Almost surely, 2^80439001 is an apocalyptic number.

It is an amenable number.

80439001 is a deficient number, since it is larger than the sum of its proper divisors (2443439).

80439001 is a wasteful number, since it uses less digits than its factorization.

80439001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17195.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 80439001 is about 8968.7792368861. The cubic root of 80439001 is about 431.6736665151.

The spelling of 80439001 in words is "eighty million, four hundred thirty-nine thousand, one".