116780489280 has 672 divisors, whose sum is σ = 507774269184. Its totient is φ = 23971479552.

The previous prime is 116780489263. The next prime is 116780489303. The reversal of 116780489280 is 82984087611.

116780489280 is a `hidden beast` number, since 1 + 1 + 6 + 7 + 80 + 489 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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, 9690939 + ... + 9702981.

It is an arithmetic number, because the mean of its divisors is an integer number (755616472).

Almost surely, 2^116780489280 is an apocalyptic number.

116780489280 is a gapful number since it is divisible by the number (10) 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 116780489280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253887134592).

116780489280 is an abundant number, since it is smaller than the sum of its proper divisors (390993779904).

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

116780489280 is a wasteful number, since it uses less digits than its factorization.

116780489280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12123 (or 12110 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The spelling of 116780489280 in words is "one hundred sixteen billion, seven hundred eighty million, four hundred eighty-nine thousand, two hundred eighty".