78510484587340 has 48 divisors (see below), whose sum is σ = 178057467933408. Its totient is φ = 28906366224384.

The previous prime is 78510484587289. The next prime is 78510484587349. The reversal of 78510484587340 is 4378548401587.

It is not an unprimeable number, because it can be changed into a prime (78510484587349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 427618422 + ... + 427801981.

It is an arithmetic number, because the mean of its divisors is an integer number (3709530581946).

Almost surely, 2^{78510484587340} is an apocalyptic number.

It is an amenable number.

78510484587340 is an abundant number, since it is smaller than the sum of its proper divisors (99546983346068).

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

78510484587340 is a wasteful number, since it uses less digits than its factorization.

78510484587340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855420778 (or 855420776 counting only the distinct ones).

The product of its (nonzero) digits is 120422400, while the sum is 64.

The spelling of 78510484587340 in words is "seventy-eight trillion, five hundred ten billion, four hundred eighty-four million, five hundred eighty-seven thousand, three hundred forty".