80447194 has 4 divisors (see below), whose sum is σ = 120670794. Its totient is φ = 40223596.

The previous prime is 80447173. The next prime is 80447203. The reversal of 80447194 is 49174408.

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

It can be written as a sum of positive squares in only one way, i.e., 55577025 + 24870169 = 7455^2 + 4987^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111797 + ... + 20111800.

Almost surely, 2^80447194 is an apocalyptic number.

80447194 is a deficient number, since it is larger than the sum of its proper divisors (40223600).

80447194 is a wasteful number, since it uses less digits than its factorization.

80447194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40223599.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 80447194 is about 8969.2359763806. The cubic root of 80447194 is about 431.6883218532.

The spelling of 80447194 in words is "eighty million, four hundred forty-seven thousand, one hundred ninety-four".