78869566024704 has 2112 divisors, whose sum is σ = 306302573158400. Its totient is φ = 20120993464320.

The previous prime is 78869566024681. The next prime is 78869566024771. The reversal of 78869566024704 is 40742066596887.

78869566024704 is a `hidden beast` number, since 7 + 8 + 8 + 6 + 9 + 5 + 6 + 602 + 4 + 7 + 0 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 34395797382 + ... + 34395799674.

Almost surely, 2^{78869566024704} 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 78869566024704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153151286579200).

78869566024704 is an abundant number, since it is smaller than the sum of its proper divisors (227433007133696).

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

78869566024704 is a wasteful number, since it uses less digits than its factorization.

78869566024704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 72.

The spelling of 78869566024704 in words is "seventy-eight trillion, eight hundred sixty-nine billion, five hundred sixty-six million, twenty-four thousand, seven hundred four".