78080250785536 has 108 divisors (see below), whose sum is σ = 157168124062488. Its totient is φ = 38713074333696.

The previous prime is 78080250785533. The next prime is 78080250785611. The reversal of 78080250785536 is 63558705208087.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78080250785533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4753157355 + ... + 4753173781.

It is an arithmetic number, because the mean of its divisors is an integer number (1455260407986).

Almost surely, 2^{78080250785536} 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 78080250785536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78584062031244).

78080250785536 is an abundant number, since it is smaller than the sum of its proper divisors (79087873276952).

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

78080250785536 is an equidigital number, since it uses as much as digits as its factorization.

78080250785536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17254 (or 16933 counting only the distinct ones).

The product of its (nonzero) digits is 112896000, while the sum is 64.

The spelling of 78080250785536 in words is "seventy-eight trillion, eighty billion, two hundred fifty million, seven hundred eighty-five thousand, five hundred thirty-six".