80337733781 has 16 divisors (see below), whose sum is σ = 84917568000. Its totient is φ = 75849067008.

The previous prime is 80337733757. The next prime is 80337733789. The reversal of 80337733781 is 18733773308.

It is a cyclic number.

It is not a de Polignac number, because 80337733781 - 2⁶ = 80337733717 is a prime.

It is a super-2 number, since 2×80337733781² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80337733789) 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 15 ways as a sum of consecutive naturals, for example, 10638395 + ... + 10645943.

It is an arithmetic number, because the mean of its divisors is an integer number (5307348000).

Almost surely, 2^80337733781 is an apocalyptic number.

It is an amenable number.

80337733781 is a deficient number, since it is larger than the sum of its proper divisors (4579834219).

80337733781 is a wasteful number, since it uses less digits than its factorization.

80337733781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13508.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 80337733781 in words is "eighty billion, three hundred thirty-seven million, seven hundred thirty-three thousand, seven hundred eighty-one".