80369855 has 16 divisors (see below), whose sum is σ = 97718400. Its totient is φ = 63452928.

The previous prime is 80369851. The next prime is 80369857. The reversal of 80369855 is 55896308.

It is a cyclic number.

It is not a de Polignac number, because 80369855 - 2² = 80369851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80369851) 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, 173354 + ... + 173816.

It is an arithmetic number, because the mean of its divisors is an integer number (6107400).

Almost surely, 2^80369855 is an apocalyptic number.

80369855 is a deficient number, since it is larger than the sum of its proper divisors (17348545).

80369855 is a wasteful number, since it uses less digits than its factorization.

80369855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 80369855 is about 8964.9235914201. The cubic root of 80369855 is about 431.5499410265.

The spelling of 80369855 in words is "eighty million, three hundred sixty-nine thousand, eight hundred fifty-five".