80796220560 has 360 divisors, whose sum is σ = 299159602560. Its totient is φ = 19527298560.

The previous prime is 80796220541. The next prime is 80796220573. The reversal of 80796220560 is 6502269708.

80796220560 is a `hidden beast` number, since 8 + 0 + 7 + 9 + 62 + 20 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 33017257 + ... + 33019703.

It is an arithmetic number, because the mean of its divisors is an integer number (830998896).

Almost surely, 2^80796220560 is an apocalyptic number.

80796220560 is a gapful number since it is divisible by the number (80) 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 80796220560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149579801280).

80796220560 is an abundant number, since it is smaller than the sum of its proper divisors (218363382000).

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

80796220560 is a wasteful number, since it uses less digits than its factorization.

80796220560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867 (or 2847 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 80796220560 in words is "eighty billion, seven hundred ninety-six million, two hundred twenty thousand, five hundred sixty".