78824345614280 has 128 divisors (see below), whose sum is σ = 205600152441600. Its totient is φ = 26638103273472.

The previous prime is 78824345614237. The next prime is 78824345614291. The reversal of 78824345614280 is 8241654342887.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30501731 + ... + 32984909.

It is an arithmetic number, because the mean of its divisors is an integer number (1606251190950).

Almost surely, 2^{78824345614280} is an apocalyptic number.

78824345614280 is a gapful number since it is divisible by the number (70) 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 78824345614280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102800076220800).

78824345614280 is an abundant number, since it is smaller than the sum of its proper divisors (126775806827320).

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

78824345614280 is a wasteful number, since it uses less digits than its factorization.

78824345614280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484823 (or 2484819 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 62.

The spelling of 78824345614280 in words is "seventy-eight trillion, eight hundred twenty-four billion, three hundred forty-five million, six hundred fourteen thousand, two hundred eighty".