80849365 has 16 divisors (see below), whose sum is σ = 102961152. Its totient is φ = 60735744.

The previous prime is 80849357. The next prime is 80849383. The reversal of 80849365 is 56394808.

It is a cyclic number.

It is not a de Polignac number, because 80849365 - 2³ = 80849357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50812 + ... + 52378.

It is an arithmetic number, because the mean of its divisors is an integer number (6435072).

Almost surely, 2^80849365 is an apocalyptic number.

80849365 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

80849365 is a deficient number, since it is larger than the sum of its proper divisors (22111787).

80849365 is a wasteful number, since it uses less digits than its factorization.

80849365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 80849365 is about 8991.6274945084. The cubic root of 80849365 is about 432.4064907490.

The spelling of 80849365 in words is "eighty million, eight hundred forty-nine thousand, three hundred sixty-five".