80535970368 has 504 divisors, whose sum is σ = 280785173760. Its totient is φ = 21979883520.

The previous prime is 80535970363. The next prime is 80535970369. The reversal of 80535970368 is 86307953508.

It is a happy number.

80535970368 is a `hidden beast` number, since 8 + 0 + 535 + 9 + 70 + 36 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is not an unprimeable number, because it can be changed into a prime (80535970363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 72619798 + ... + 72620906.

It is an arithmetic number, because the mean of its divisors is an integer number (557113440).

Almost surely, 2^80535970368 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 80535970368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140392586880).

80535970368 is an abundant number, since it is smaller than the sum of its proper divisors (200249203392).

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

80535970368 is a wasteful number, since it uses less digits than its factorization.

80535970368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 80535970368 in words is "eighty billion, five hundred thirty-five million, nine hundred seventy thousand, three hundred sixty-eight".