80850503 has 4 divisors (see below), whose sum is σ = 80870328. Its totient is φ = 80830680.

The previous prime is 80850499. The next prime is 80850509. The reversal of 80850503 is 30505808.

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 80850503 - 2² = 80850499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80850509) 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, 1301 + ... + 12782.

It is an arithmetic number, because the mean of its divisors is an integer number (20217582).

Almost surely, 2^80850503 is an apocalyptic number.

80850503 is a deficient number, since it is larger than the sum of its proper divisors (19825).

80850503 is a wasteful number, since it uses less digits than its factorization.

80850503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19824.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 80850503 is about 8991.6907753770. The cubic root of 80850503 is about 432.4085195272.

The spelling of 80850503 in words is "eighty million, eight hundred fifty thousand, five hundred three".