80859921603288 has 128 divisors (see below), whose sum is σ = 220967255992320. Its totient is φ = 24547086305280.

The previous prime is 80859921603287. The next prime is 80859921603353. The reversal of 80859921603288 is 88230612995808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80859921603287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130382431 + ... + 131001137.

It is an arithmetic number, because the mean of its divisors is an integer number (1726306687440).

Almost surely, 2^{80859921603288} 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 80859921603288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110483627996160).

80859921603288 is an abundant number, since it is smaller than the sum of its proper divisors (140107334389032).

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

80859921603288 is a wasteful number, since it uses less digits than its factorization.

80859921603288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629097 (or 629093 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 69.

The spelling of 80859921603288 in words is "eighty trillion, eight hundred fifty-nine billion, nine hundred twenty-one million, six hundred three thousand, two hundred eighty-eight".