80811378033 has 8 divisors (see below), whose sum is σ = 109266088896. Its totient is φ = 53115459600.

The previous prime is 80811378031. The next prime is 80811378059. The reversal of 80811378033 is 33087311808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80811378033 - 2¹ = 80811378031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80811378031) 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 7 ways as a sum of consecutive naturals, for example, 189697858 + ... + 189698283.

It is an arithmetic number, because the mean of its divisors is an integer number (13658261112).

Almost surely, 2^80811378033 is an apocalyptic number.

It is an amenable number.

80811378033 is a deficient number, since it is larger than the sum of its proper divisors (28454710863).

80811378033 is a wasteful number, since it uses less digits than its factorization.

80811378033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379396215.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 80811378033 in words is "eighty billion, eight hundred eleven million, three hundred seventy-eight thousand, thirty-three".