80203788 has 108 divisors (see below), whose sum is σ = 248353560. Its totient is φ = 21700224.

The previous prime is 80203777. The next prime is 80203811. The reversal of 80203788 is 88730208.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32320 + ... + 34712.

It is an arithmetic number, because the mean of its divisors is an integer number (2299570).

Almost surely, 2^80203788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80203788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124176780).

80203788 is an abundant number, since it is smaller than the sum of its proper divisors (168149772).

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

80203788 is a wasteful number, since it uses less digits than its factorization.

80203788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2424 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 80203788 is about 8955.6567598362. The cubic root of 80203788 is about 431.2525010567.

The spelling of 80203788 in words is "eighty million, two hundred three thousand, seven hundred eighty-eight".