80864223 has 48 divisors (see below), whose sum is σ = 127908480. Its totient is φ = 45043200.

The previous prime is 80864219. The next prime is 80864249. The reversal of 80864223 is 32246808.

It is not a de Polignac number, because 80864223 - 2² = 80864219 is a prime.

It is a super-2 number, since 2×80864223² = 13078045122787458, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80864023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 581688 + ... + 581826.

It is an arithmetic number, because the mean of its divisors is an integer number (2664760).

Almost surely, 2^80864223 is an apocalyptic number.

80864223 is a deficient number, since it is larger than the sum of its proper divisors (47044257).

80864223 is a wasteful number, since it uses less digits than its factorization.

80864223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 80864223 is about 8992.4536696054. The cubic root of 80864223 is about 432.4329774634.

The spelling of 80864223 in words is "eighty million, eight hundred sixty-four thousand, two hundred twenty-three".