78358023472176 has 320 divisors, whose sum is σ = 265629588618240. Its totient is φ = 21650843289600.

The previous prime is 78358023472129. The next prime is 78358023472177. The reversal of 78358023472176 is 67127432085387.

It is a happy number.

78358023472176 is a `hidden beast` number, since 7 + 8 + 3 + 580 + 2 + 3 + 47 + 2 + 1 + 7 + 6 = 666.

It is a super-2 number, since 2×78358023472176² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (78358023472177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10150036 + ... + 16116428.

It is an arithmetic number, because the mean of its divisors is an integer number (830092464432).

Almost surely, 2^{78358023472176} 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 78358023472176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132814794309120).

78358023472176 is an abundant number, since it is smaller than the sum of its proper divisors (187271565146064).

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

78358023472176 is a wasteful number, since it uses less digits than its factorization.

78358023472176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5966561 (or 5966549 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 63.

The spelling of 78358023472176 in words is "seventy-eight trillion, three hundred fifty-eight billion, twenty-three million, four hundred seventy-two thousand, one hundred seventy-six".