78504415676382 has 64 divisors (see below), whose sum is σ = 159447157309440. Its totient is φ = 25762827535200.

The previous prime is 78504415676377. The next prime is 78504415676387. The reversal of 78504415676382 is 28367651440587.

It is an interprime number because it is at equal distance from previous prime (78504415676377) and next prime (78504415676387).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78504415676387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 872042169 + ... + 872132187.

It is an arithmetic number, because the mean of its divisors is an integer number (2491361832960).

Almost surely, 2^{78504415676382} is an apocalyptic number.

78504415676382 is an abundant number, since it is smaller than the sum of its proper divisors (80942741633058).

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

78504415676382 is a wasteful number, since it uses less digits than its factorization.

78504415676382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92989.

The product of its (nonzero) digits is 270950400, while the sum is 66.

The spelling of 78504415676382 in words is "seventy-eight trillion, five hundred four billion, four hundred fifteen million, six hundred seventy-six thousand, three hundred eighty-two".