80155309 has 8 divisors (see below), whose sum is σ = 86455712. Its totient is φ = 73874160.

The previous prime is 80155303. The next prime is 80155331. The reversal of 80155309 is 90355108.

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 80155309 - 2³ = 80155301 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 (80155301) 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, 4522 + ... + 13444.

It is an arithmetic number, because the mean of its divisors is an integer number (10806964).

Almost surely, 2^80155309 is an apocalyptic number.

It is an amenable number.

80155309 is a deficient number, since it is larger than the sum of its proper divisors (6300403).

80155309 is a wasteful number, since it uses less digits than its factorization.

80155309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9627.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 80155309 is about 8952.9497373771. The cubic root of 80155309 is about 431.1655936746.

The spelling of 80155309 in words is "eighty million, one hundred fifty-five thousand, three hundred nine".