80553844087860 has 288 divisors, whose sum is σ = 267584933548800. Its totient is φ = 17985878507520.

The previous prime is 80553844087859. The next prime is 80553844087943. The reversal of 80553844087860 is 6878044835508.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 80553844087791 and 80553844087800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41426169 + ... + 43327071.

It is an arithmetic number, because the mean of its divisors is an integer number (929114352600).

Almost surely, 2^{80553844087860} 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 80553844087860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133792466774400).

80553844087860 is an abundant number, since it is smaller than the sum of its proper divisors (187031089460940).

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

80553844087860 is a wasteful number, since it uses less digits than its factorization.

80553844087860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901399 (or 1901386 counting only the distinct ones).

The product of its (nonzero) digits is 206438400, while the sum is 66.

The spelling of 80553844087860 in words is "eighty trillion, five hundred fifty-three billion, eight hundred forty-four million, eighty-seven thousand, eight hundred sixty".