80194784 has 48 divisors (see below), whose sum is σ = 163731456. Its totient is φ = 38640000.

The previous prime is 80194783. The next prime is 80194853. The reversal of 80194784 is 48749108.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80194783) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 106409 + ... + 107159.

It is an arithmetic number, because the mean of its divisors is an integer number (3411072).

Almost surely, 2^80194784 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 80194784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81865728).

80194784 is an abundant number, since it is smaller than the sum of its proper divisors (83536672).

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

80194784 is a wasteful number, since it uses less digits than its factorization.

80194784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 80194784 is about 8955.1540466929. The cubic root of 80194784 is about 431.2363624057.

The spelling of 80194784 in words is "eighty million, one hundred ninety-four thousand, seven hundred eighty-four".