80735420859744 has 384 divisors, whose sum is σ = 248104670284800. Its totient is φ = 22511610593280.

The previous prime is 80735420859679. The next prime is 80735420859791. The reversal of 80735420859744 is 44795802453708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20548590772 + ... + 20548594700.

It is an arithmetic number, because the mean of its divisors is an integer number (646105912200).

Almost surely, 2^{80735420859744} is an apocalyptic number.

80735420859744 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80735420859744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124052335142400).

80735420859744 is an abundant number, since it is smaller than the sum of its proper divisors (167369249425056).

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

80735420859744 is a wasteful number, since it uses less digits than its factorization.

80735420859744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806 (or 7798 counting only the distinct ones).

The product of its (nonzero) digits is 270950400, while the sum is 66.

The spelling of 80735420859744 in words is "eighty trillion, seven hundred thirty-five billion, four hundred twenty million, eight hundred fifty-nine thousand, seven hundred forty-four".