80485500 has 48 divisors (see below), whose sum is σ = 234378144. Its totient is φ = 21462400.

The previous prime is 80485481. The next prime is 80485511. The reversal of 80485500 is 558408.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 25329 + ... + 28328.

It is an arithmetic number, because the mean of its divisors is an integer number (4882878).

Almost surely, 2^80485500 is an apocalyptic number.

It is an amenable number.

80485500 is an abundant number, since it is smaller than the sum of its proper divisors (153892644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80485500 is a wasteful number, since it uses less digits than its factorization.

80485500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53679 (or 53667 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 80485500 is about 8971.3711326642. The cubic root of 80485500 is about 431.7568290237.

The spelling of 80485500 in words is "eighty million, four hundred eighty-five thousand, five hundred".