78726024617200 has 120 divisors (see below), whose sum is σ = 195297951559680. Its totient is φ = 30465629126400.

The previous prime is 78726024617179. The next prime is 78726024617237. The reversal of 78726024617200 is 271642062787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41315061 + ... + 43178539.

It is an arithmetic number, because the mean of its divisors is an integer number (1627482929664).

Almost surely, 2^{78726024617200} 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 78726024617200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97648975779840).

78726024617200 is an abundant number, since it is smaller than the sum of its proper divisors (116571926942480).

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

78726024617200 is a wasteful number, since it uses less digits than its factorization.

78726024617200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866935 (or 1866924 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 52.

Adding to 78726024617200 its reverse (271642062787), we get a palindrome (78997666679987).

The spelling of 78726024617200 in words is "seventy-eight trillion, seven hundred twenty-six billion, twenty-four million, six hundred seventeen thousand, two hundred".