80355399 has 8 divisors (see below), whose sum is σ = 111798912. Its totient is φ = 51241080.

The previous prime is 80355377. The next prime is 80355437. The reversal of 80355399 is 99355308.

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

It is not a de Polignac number, because 80355399 - 2⁹ = 80354887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80355399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80354399) 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, 582217 + ... + 582354.

It is an arithmetic number, because the mean of its divisors is an integer number (13974864).

Almost surely, 2^80355399 is an apocalyptic number.

80355399 is a deficient number, since it is larger than the sum of its proper divisors (31443513).

80355399 is a wasteful number, since it uses less digits than its factorization.

80355399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164597.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 80355399 is about 8964.1173017760. The cubic root of 80355399 is about 431.5240654042.

The spelling of 80355399 in words is "eighty million, three hundred fifty-five thousand, three hundred ninety-nine".