80808089 has 16 divisors (see below), whose sum is σ = 88252416. Its totient is φ = 73689600.

The previous prime is 80808071. The next prime is 80808107. The reversal of 80808089 is 98080808.

It is an interprime number because it is at equal distance from previous prime (80808071) and next prime (80808107).

It is a cyclic number.

It is not a de Polignac number, because 80808089 - 2¹² = 80803993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80808019) 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, 132824 + ... + 133430.

It is an arithmetic number, because the mean of its divisors is an integer number (5515776).

Almost surely, 2^80808089 is an apocalyptic number.

It is an amenable number.

80808089 is a deficient number, since it is larger than the sum of its proper divisors (7444327).

80808089 is a wasteful number, since it uses less digits than its factorization.

80808089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 80808089 is about 8989.3319551566. The cubic root of 80808089 is about 432.3328927746.

The spelling of 80808089 in words is "eighty million, eight hundred eight thousand, eighty-nine".