80380287776880 has 1280 divisors, whose sum is σ = 345784308387840. Its totient is φ = 16709662015488.

The previous prime is 80380287776863. The next prime is 80380287776927. The reversal of 80380287776880 is 8867778208308.

80380287776880 is a `hidden beast` number, since 80 + 380 + 28 + 7 + 7 + 76 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 80380287776799 and 80380287776808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 17462584659 + ... + 17462589261.

It is an arithmetic number, because the mean of its divisors is an integer number (270143990928).

Almost surely, 2^{80380287776880} is an apocalyptic number.

80380287776880 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 80380287776880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172892154193920).

80380287776880 is an abundant number, since it is smaller than the sum of its proper divisors (265404020610960).

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

80380287776880 is a wasteful number, since it uses less digits than its factorization.

80380287776880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935 (or 5923 counting only the distinct ones).

The product of its (nonzero) digits is 404619264, while the sum is 72.

The spelling of 80380287776880 in words is "eighty trillion, three hundred eighty billion, two hundred eighty-seven million, seven hundred seventy-six thousand, eight hundred eighty".