80912029 has 8 divisors (see below), whose sum is σ = 88421760. Its totient is φ = 73428000.

The previous prime is 80912023. The next prime is 80912033. The reversal of 80912029 is 92021908.

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

It is a cyclic number.

It is not a de Polignac number, because 80912029 - 2¹¹ = 80909981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80912023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492 + ... + 12730.

It is an arithmetic number, because the mean of its divisors is an integer number (11052720).

Almost surely, 2^80912029 is an apocalyptic number.

It is an amenable number.

80912029 is a deficient number, since it is larger than the sum of its proper divisors (7509731).

80912029 is a wasteful number, since it uses less digits than its factorization.

80912029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12851.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 80912029 is about 8995.1113945298. Note that the first 3 decimals coincide. The cubic root of 80912029 is about 432.5181771460.

The spelling of 80912029 in words is "eighty million, nine hundred twelve thousand, twenty-nine".