80193900 has 72 divisors (see below), whose sum is σ = 239540224. Its totient is φ = 20692800.

The previous prime is 80193887. The next prime is 80193917. The reversal of 80193900 is 939108.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4989 + ... + 13611.

Almost surely, 2^80193900 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 80193900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119770112).

80193900 is an abundant number, since it is smaller than the sum of its proper divisors (159346324).

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

80193900 is a wasteful number, since it uses less digits than its factorization.

80193900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8671 (or 8664 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 80193900 is about 8955.1046895053. The cubic root of 80193900 is about 431.2347778706.

The spelling of 80193900 in words is "eighty million, one hundred ninety-three thousand, nine hundred".