80329651 has 4 divisors (see below), whose sum is σ = 80778600. Its totient is φ = 79880704.

The previous prime is 80329637. The next prime is 80329673. The reversal of 80329651 is 15692308.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80329651 - 2¹³ = 80321459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80329631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224206 + ... + 224563.

It is an arithmetic number, because the mean of its divisors is an integer number (20194650).

Almost surely, 2^80329651 is an apocalyptic number.

80329651 is a deficient number, since it is larger than the sum of its proper divisors (448949).

80329651 is a wasteful number, since it uses less digits than its factorization.

80329651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448948.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 80329651 is about 8962.6810163031. The cubic root of 80329651 is about 431.4779698972.

The spelling of 80329651 in words is "eighty million, three hundred twenty-nine thousand, six hundred fifty-one".