80158321 has 16 divisors (see below), whose sum is σ = 88482240. Its totient is φ = 72334080.

The previous prime is 80158303. The next prime is 80158357. The reversal of 80158321 is 12385108.

It is a cyclic number.

It is not a de Polignac number, because 80158321 - 2¹¹ = 80156273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80158321.

It is not an unprimeable number, because it can be changed into a prime (80150321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32301 + ... + 34693.

It is an arithmetic number, because the mean of its divisors is an integer number (5530140).

Almost surely, 2^80158321 is an apocalyptic number.

80158321 is the 4786-th nonagonal number.

It is an amenable number.

80158321 is a deficient number, since it is larger than the sum of its proper divisors (8323919).

80158321 is a wasteful number, since it uses less digits than its factorization.

80158321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 80158321 is about 8953.1179485138. The cubic root of 80158321 is about 431.1709942506.

The spelling of 80158321 in words is "eighty million, one hundred fifty-eight thousand, three hundred twenty-one".