78053472756 has 144 divisors (see below), whose sum is σ = 228047654016. Its totient is φ = 22048664832.

The previous prime is 78053472751. The next prime is 78053472781. The reversal of 78053472756 is 65727435087.

It is a happy number.

78053472756 is a `hidden beast` number, since 7 + 80 + 534 + 7 + 27 + 5 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78053472751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15016350 + ... + 15021546.

It is an arithmetic number, because the mean of its divisors is an integer number (1583664264).

Almost surely, 2^78053472756 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 78053472756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114023827008).

78053472756 is an abundant number, since it is smaller than the sum of its proper divisors (149994181260).

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

78053472756 is a wasteful number, since it uses less digits than its factorization.

78053472756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878 (or 5873 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 54.

The spelling of 78053472756 in words is "seventy-eight billion, fifty-three million, four hundred seventy-two thousand, seven hundred fifty-six".