80149780333 has 4 divisors (see below), whose sum is σ = 91599748960. Its totient is φ = 68699811708.

The previous prime is 80149780313. The next prime is 80149780339. The reversal of 80149780333 is 33308794108.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80149780333 - 2⁹ = 80149779821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80149780339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5724984303 + ... + 5724984316.

It is an arithmetic number, because the mean of its divisors is an integer number (22899937240).

Almost surely, 2^80149780333 is an apocalyptic number.

It is an amenable number.

80149780333 is a deficient number, since it is larger than the sum of its proper divisors (11449968627).

80149780333 is a wasteful number, since it uses less digits than its factorization.

80149780333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11449968626.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 80149780333 in words is "eighty billion, one hundred forty-nine million, seven hundred eighty thousand, three hundred thirty-three".