80847795280 has 80 divisors (see below), whose sum is σ = 226130705280. Its totient is φ = 26260333056.

The previous prime is 80847795263. The next prime is 80847795293. The reversal of 80847795280 is 8259774808.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3788599 + ... + 3809878.

It is an arithmetic number, because the mean of its divisors is an integer number (2826633816).

Almost surely, 2^80847795280 is an apocalyptic number.

80847795280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80847795280 is an abundant number, since it is smaller than the sum of its proper divisors (145282910000).

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

80847795280 is a wasteful number, since it uses less digits than its factorization.

80847795280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7598516 (or 7598510 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 80847795280 in words is "eighty billion, eight hundred forty-seven million, seven hundred ninety-five thousand, two hundred eighty".