80860550 has 12 divisors (see below), whose sum is σ = 150400716. Its totient is φ = 32344200.

The previous prime is 80860547. The next prime is 80860579. The reversal of 80860550 is 5506808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 808556 + ... + 808655.

It is an arithmetic number, because the mean of its divisors is an integer number (12533393).

Almost surely, 2^80860550 is an apocalyptic number.

80860550 is a deficient number, since it is larger than the sum of its proper divisors (69540166).

80860550 is a wasteful number, since it uses less digits than its factorization.

80860550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617223 (or 1617218 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 80860550 is about 8992.2494404904. The cubic root of 80860550 is about 432.4264300670.

The spelling of 80860550 in words is "eighty million, eight hundred sixty thousand, five hundred fifty".