80664274 has 4 divisors (see below), whose sum is σ = 120996414. Its totient is φ = 40332136.

The previous prime is 80664271. The next prime is 80664277. The reversal of 80664274 is 47246608.

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

It is an interprime number because it is at equal distance from previous prime (80664271) and next prime (80664277).

It can be written as a sum of positive squares in only one way, i.e., 80013025 + 651249 = 8945^2 + 807^2 .

It is not an unprimeable number, because it can be changed into a prime (80664271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20166067 + ... + 20166070.

Almost surely, 2^80664274 is an apocalyptic number.

80664274 is a deficient number, since it is larger than the sum of its proper divisors (40332140).

80664274 is a wasteful number, since it uses less digits than its factorization.

80664274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40332139.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 80664274 is about 8981.3291889341. The cubic root of 80664274 is about 432.0762646848.

The spelling of 80664274 in words is "eighty million, six hundred sixty-four thousand, two hundred seventy-four".