80766321 has 8 divisors (see below), whose sum is σ = 113356320. Its totient is φ = 51010272.

The previous prime is 80766319. The next prime is 80766391. The reversal of 80766321 is 12366708.

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

It is not a de Polignac number, because 80766321 - 2¹ = 80766319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80766311) 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, 708420 + ... + 708533.

It is an arithmetic number, because the mean of its divisors is an integer number (14169540).

Almost surely, 2^80766321 is an apocalyptic number.

It is an amenable number.

80766321 is a deficient number, since it is larger than the sum of its proper divisors (32589999).

80766321 is a wasteful number, since it uses less digits than its factorization.

80766321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416975.

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

The square root of 80766321 is about 8987.0084566556. The cubic root of 80766321 is about 432.2583920136.

The spelling of 80766321 in words is "eighty million, seven hundred sixty-six thousand, three hundred twenty-one".