80353638 has 12 divisors (see below), whose sum is σ = 174099588. Its totient is φ = 26784540.

The previous prime is 80353633. The next prime is 80353639. The reversal of 80353638 is 83635308.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80353631) 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, 2232028 + ... + 2232063.

It is an arithmetic number, because the mean of its divisors is an integer number (14508299).

Almost surely, 2^80353638 is an apocalyptic number.

80353638 is an abundant number, since it is smaller than the sum of its proper divisors (93745950).

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

80353638 is a wasteful number, since it uses less digits than its factorization.

80353638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464099 (or 4464096 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 80353638 is about 8964.0190762849. The cubic root of 80353638 is about 431.5209130774.

The spelling of 80353638 in words is "eighty million, three hundred fifty-three thousand, six hundred thirty-eight".