80712794 has 4 divisors (see below), whose sum is σ = 121069194. Its totient is φ = 40356396.

The previous prime is 80712781. The next prime is 80712803. The reversal of 80712794 is 49721708.

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., 44049769 + 36663025 = 6637^2 + 6055^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20178197 + ... + 20178200.

Almost surely, 2^80712794 is an apocalyptic number.

80712794 is a deficient number, since it is larger than the sum of its proper divisors (40356400).

80712794 is a wasteful number, since it uses less digits than its factorization.

80712794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40356399.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 80712794 is about 8984.0299420694. The cubic root of 80712794 is about 432.1628793960.

The spelling of 80712794 in words is "eighty million, seven hundred twelve thousand, seven hundred ninety-four".