80693091 has 10 divisors (see below), whose sum is σ = 120541652. Its totient is φ = 53795340.

The previous prime is 80693077. The next prime is 80693099. The reversal of 80693091 is 19039608.

It is not a de Polignac number, because 80693091 - 2⁵ = 80693059 is a prime.

It is a super-2 number, since 2×80693091² = 13022749870268562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80693099) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 498025 + ... + 498186.

Almost surely, 2^80693091 is an apocalyptic number.

80693091 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

80693091 is a deficient number, since it is larger than the sum of its proper divisors (39848561).

80693091 is an equidigital number, since it uses as much as digits as its factorization.

80693091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996223 (or 996214 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 80693091 is about 8982.9333182430. The cubic root of 80693091 is about 432.1277110840.

The spelling of 80693091 in words is "eighty million, six hundred ninety-three thousand, ninety-one".