80203638 has 16 divisors (see below), whose sum is σ = 160759296. Its totient is φ = 26675880.

The previous prime is 80203633. The next prime is 80203649. The reversal of 80203638 is 83630208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80203633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11658 + ... + 17213.

It is an arithmetic number, because the mean of its divisors is an integer number (10047456).

Almost surely, 2^80203638 is an apocalyptic number.

80203638 is an abundant number, since it is smaller than the sum of its proper divisors (80555658).

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

80203638 is a wasteful number, since it uses less digits than its factorization.

80203638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29339.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 80203638 is about 8955.6483852371. The cubic root of 80203638 is about 431.2522322086.

The spelling of 80203638 in words is "eighty million, two hundred three thousand, six hundred thirty-eight".