78225174755300 has 18 divisors (see below), whose sum is σ = 169748629219218. Its totient is φ = 31290069902080.

The previous prime is 78225174755297. The next prime is 78225174755347. The reversal of 78225174755300 is 355747152287.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5883651789376 + 72341522965924 = 2425624^2 + 8505382^2 .

It is a super-2 number, since 2×78225174755300² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 391125873677 + ... + 391125873876.

Almost surely, 2^{78225174755300} is an apocalyptic number.

It is an amenable number.

78225174755300 is an abundant number, since it is smaller than the sum of its proper divisors (91523454463918).

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

78225174755300 is a wasteful number, since it uses less digits than its factorization.

78225174755300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782251747567 (or 782251747560 counting only the distinct ones).

The product of its (nonzero) digits is 16464000, while the sum is 56.

The spelling of 78225174755300 in words is "seventy-eight trillion, two hundred twenty-five billion, one hundred seventy-four million, seven hundred fifty-five thousand, three hundred".