78148168776032 has 24 divisors (see below), whose sum is σ = 161951797135800. Its totient is φ = 37017553630464.

The previous prime is 78148168775993. The next prime is 78148168776047. The reversal of 78148168776032 is 23067786184187.

It is a super-2 number, since 2×78148168776032² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64266585557 + ... + 64266586772.

It is an arithmetic number, because the mean of its divisors is an integer number (6747991547325).

Almost surely, 2^{78148168776032} is an apocalyptic number.

It is an amenable number.

78148168776032 is an abundant number, since it is smaller than the sum of its proper divisors (83803628359768).

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

78148168776032 is a wasteful number, since it uses less digits than its factorization.

78148168776032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128533172358 (or 128533172350 counting only the distinct ones).

The product of its (nonzero) digits is 151732224, while the sum is 68.

The spelling of 78148168776032 in words is "seventy-eight trillion, one hundred forty-eight billion, one hundred sixty-eight million, seven hundred seventy-six thousand, thirty-two".