78614945280 has 200 divisors, whose sum is σ = 281574636552. Its totient is φ = 20963930112.

The previous prime is 78614945273. The next prime is 78614945293. The reversal of 78614945280 is 8254941687.

It is a happy number.

78614945280 is a `hidden beast` number, since 78 + 6 + 1 + 49 + 4 + 528 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17799 + ... + 396921.

Almost surely, 2^78614945280 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 78614945280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140787318276).

78614945280 is an abundant number, since it is smaller than the sum of its proper divisors (202959691272).

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

78614945280 is an equidigital number, since it uses as much as digits as its factorization.

78614945280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379158 (or 379133 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 78614945280 in words is "seventy-eight billion, six hundred fourteen million, nine hundred forty-five thousand, two hundred eighty".