78530337115375 has 128 divisors (see below), whose sum is σ = 102078662400000. Its totient is φ = 60285172147200.

The previous prime is 78530337115361. The next prime is 78530337115397. The reversal of 78530337115375 is 57351173303587.

It is not a de Polignac number, because 78530337115375 - 2²³ = 78530328726767 is a prime.

It is a super-2 number, since 2×78530337115375² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21003030256 + ... + 21003033994.

It is an arithmetic number, because the mean of its divisors is an integer number (797489550000).

Almost surely, 2^{78530337115375} is an apocalyptic number.

78530337115375 is a deficient number, since it is larger than the sum of its proper divisors (23548325284625).

78530337115375 is a wasteful number, since it uses less digits than its factorization.

78530337115375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274 (or 4264 counting only the distinct ones).

The product of its (nonzero) digits is 27783000, while the sum is 58.

The spelling of 78530337115375 in words is "seventy-eight trillion, five hundred thirty billion, three hundred thirty-seven million, one hundred fifteen thousand, three hundred seventy-five".