78780060324 has 96 divisors (see below), whose sum is σ = 234039142400. Its totient is φ = 22449117600.

The previous prime is 78780060241. The next prime is 78780060379. The reversal of 78780060324 is 42306008787.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 78780060324.

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, 149049 + ... + 423999.

Almost surely, 2^78780060324 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 78780060324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117019571200).

78780060324 is an abundant number, since it is smaller than the sum of its proper divisors (155259082076).

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

78780060324 is a wasteful number, since it uses less digits than its factorization.

78780060324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275350 (or 275342 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 78780060324 in words is "seventy-eight billion, seven hundred eighty million, sixty thousand, three hundred twenty-four".