80223729 has 8 divisors (see below), whose sum is σ = 107020032. Its totient is φ = 53454960.

The previous prime is 80223727. The next prime is 80223739. The reversal of 80223729 is 92732208.

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

It is not a de Polignac number, because 80223729 - 2¹ = 80223727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80223729.

It is not an unprimeable number, because it can be changed into a prime (80223727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312 + ... + 12734.

It is an arithmetic number, because the mean of its divisors is an integer number (13377504).

Almost surely, 2^80223729 is an apocalyptic number.

It is an amenable number.

80223729 is a deficient number, since it is larger than the sum of its proper divisors (26796303).

80223729 is a wasteful number, since it uses less digits than its factorization.

80223729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13767.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 80223729 is about 8956.7700093281. The cubic root of 80223729 is about 431.2882387433.

It can be divided in two parts, 802 and 23729, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 80223729 in words is "eighty million, two hundred twenty-three thousand, seven hundred twenty-nine".