78535514210432 has 64 divisors (see below), whose sum is σ = 159858582652800. Its totient is φ = 38414899805184.

The previous prime is 78535514210411. The next prime is 78535514210437. The reversal of 78535514210432 is 23401241553587.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (78535514210437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10363919 + ... + 16262897.

It is an arithmetic number, because the mean of its divisors is an integer number (2497790353950).

Almost surely, 2^{78535514210432} 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 78535514210432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79929291326400).

78535514210432 is an abundant number, since it is smaller than the sum of its proper divisors (81323068442368).

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

78535514210432 is a wasteful number, since it uses less digits than its factorization.

78535514210432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901253 (or 5901241 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 78535514210432 in words is "seventy-eight trillion, five hundred thirty-five billion, five hundred fourteen million, two hundred ten thousand, four hundred thirty-two".