80889603 has 4 divisors (see below), whose sum is σ = 107852808. Its totient is φ = 53926400.

The previous prime is 80889583. The next prime is 80889617. The reversal of 80889603 is 30698808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80889603 - 2²⁴ = 64112387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80889103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13481598 + ... + 13481603.

It is an arithmetic number, because the mean of its divisors is an integer number (26963202).

Almost surely, 2^80889603 is an apocalyptic number.

80889603 is a deficient number, since it is larger than the sum of its proper divisors (26963205).

80889603 is a wasteful number, since it uses less digits than its factorization.

80889603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26963204.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 80889603 is about 8993.8647421451. The cubic root of 80889603 is about 432.4782137889.

The spelling of 80889603 in words is "eighty million, eight hundred eighty-nine thousand, six hundred three".