80850519 has 6 divisors (see below), whose sum is σ = 116784096. Its totient is φ = 53900340.

The previous prime is 80850509. The next prime is 80850527. The reversal of 80850519 is 91505808.

It is not a de Polignac number, because 80850519 - 2¹⁹ = 80326231 is a prime.

It is a super-2 number, since 2×80850519² = 13073612845138722, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 4491687 + ... + 4491704.

It is an arithmetic number, because the mean of its divisors is an integer number (19464016).

Almost surely, 2^80850519 is an apocalyptic number.

80850519 is a deficient number, since it is larger than the sum of its proper divisors (35933577).

80850519 is a wasteful number, since it uses less digits than its factorization.

80850519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8983397 (or 8983394 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 80850519 is about 8991.6916650873. The cubic root of 80850519 is about 432.4085480511.

The spelling of 80850519 in words is "eighty million, eight hundred fifty thousand, five hundred nineteen".