78175002325728 has 192 divisors, whose sum is σ = 261288983789568. Its totient is φ = 19873169886720.

The previous prime is 78175002325727. The next prime is 78175002325751. The reversal of 78175002325728 is 82752320057187.

It is a super-2 number, since 2×78175002325728² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78175002325727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112159200 + ... + 112854047.

It is an arithmetic number, because the mean of its divisors is an integer number (1360880123904).

Almost surely, 2^{78175002325728} is an apocalyptic number.

It is an amenable number.

78175002325728 is an abundant number, since it is smaller than the sum of its proper divisors (183113981463840).

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

78175002325728 is a wasteful number, since it uses less digits than its factorization.

78175002325728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225013325 (or 225013317 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 57.

The spelling of 78175002325728 in words is "seventy-eight trillion, one hundred seventy-five billion, two million, three hundred twenty-five thousand, seven hundred twenty-eight".