80945401 has 4 divisors (see below), whose sum is σ = 81430272. Its totient is φ = 80460532.

The previous prime is 80945387. The next prime is 80945413. The reversal of 80945401 is 10454908.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80945401 - 2⁵ = 80945369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80945201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242185 + ... + 242518.

It is an arithmetic number, because the mean of its divisors is an integer number (20357568).

Almost surely, 2^80945401 is an apocalyptic number.

It is an amenable number.

80945401 is a deficient number, since it is larger than the sum of its proper divisors (484871).

80945401 is a wasteful number, since it uses less digits than its factorization.

80945401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484870.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 80945401 is about 8996.9662108958. The cubic root of 80945401 is about 432.5776327169.

The spelling of 80945401 in words is "eighty million, nine hundred forty-five thousand, four hundred one".