80935849 has 4 divisors (see below), whose sum is σ = 81472000. Its totient is φ = 80399700.

The previous prime is 80935831. The next prime is 80935859. The reversal of 80935849 is 94853908.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80935849 - 2⁷ = 80935721 is a prime.

It is a super-2 number, since 2×80935849² = 13101223306701602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80935799 and 80935808.

It is not an unprimeable number, because it can be changed into a prime (80935859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267849 + ... + 268150.

It is an arithmetic number, because the mean of its divisors is an integer number (20368000).

Almost surely, 2^80935849 is an apocalyptic number.

It is an amenable number.

80935849 is a deficient number, since it is larger than the sum of its proper divisors (536151).

80935849 is a wasteful number, since it uses less digits than its factorization.

80935849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536150.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 80935849 is about 8996.4353496260. The cubic root of 80935849 is about 432.5606165388.

The spelling of 80935849 in words is "eighty million, nine hundred thirty-five thousand, eight hundred forty-nine".