78530805752300 has 144 divisors (see below), whose sum is σ = 196846036234848. Its totient is φ = 26875940966400.

The previous prime is 78530805752281. The next prime is 78530805752339. The reversal of 78530805752300 is 325750803587.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 777813422 + ... + 777914378.

It is an arithmetic number, because the mean of its divisors is an integer number (1366986362742).

Almost surely, 2^{78530805752300} 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 78530805752300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98423018117424).

78530805752300 is an abundant number, since it is smaller than the sum of its proper divisors (118315230482548).

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

78530805752300 is a wasteful number, since it uses less digits than its factorization.

78530805752300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142596 (or 142589 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 78530805752300 in words is "seventy-eight trillion, five hundred thirty billion, eight hundred five million, seven hundred fifty-two thousand, three hundred".