80803653 has 16 divisors (see below), whose sum is σ = 123273216. Its totient is φ = 46119600.

The previous prime is 80803631. The next prime is 80803663. The reversal of 80803653 is 35630808.

It is not a de Polignac number, because 80803653 - 2¹⁰ = 80802629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80803663) 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, 22500 + ... + 25842.

It is an arithmetic number, because the mean of its divisors is an integer number (7704576).

Almost surely, 2^80803653 is an apocalyptic number.

It is an amenable number.

80803653 is a deficient number, since it is larger than the sum of its proper divisors (42469563).

80803653 is a wasteful number, since it uses less digits than its factorization.

80803653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 80803653 is about 8989.0852148592. The cubic root of 80803653 is about 432.3249815872.

The spelling of 80803653 in words is "eighty million, eight hundred three thousand, six hundred fifty-three".