80977584384 has 216 divisors, whose sum is σ = 250480426560. Its totient is φ = 26061170688.

The previous prime is 80977584379. The next prime is 80977584419. The reversal of 80977584384 is 48348577908.

80977584384 is a `hidden beast` number, since 80 + 9 + 77 + 58 + 438 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1781589 + ... + 1826475.

Almost surely, 2^80977584384 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 80977584384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125240213280).

80977584384 is an abundant number, since it is smaller than the sum of its proper divisors (169502842176).

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

80977584384 is an equidigital number, since it uses as much as digits as its factorization.

80977584384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44947 (or 44921 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 80977584384 in words is "eighty billion, nine hundred seventy-seven million, five hundred eighty-four thousand, three hundred eighty-four".