80864018 has 8 divisors (see below), whose sum is σ = 124574412. Its totient is φ = 39339216.

The previous prime is 80864009. The next prime is 80864023. The reversal of 80864018 is 81046808.

It can be written as a sum of positive squares in 2 ways, for example, as 77915929 + 2948089 = 8827^2 + 1717^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546305 + ... + 546452.

Almost surely, 2^80864018 is an apocalyptic number.

80864018 is a deficient number, since it is larger than the sum of its proper divisors (43710394).

80864018 is a wasteful number, since it uses less digits than its factorization.

80864018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092796.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 80864018 is about 8992.4422711519. The cubic root of 80864018 is about 432.4326120408.

The spelling of 80864018 in words is "eighty million, eight hundred sixty-four thousand, eighteen".