78885735936 has 480 divisors, whose sum is σ = 260494755840. Its totient is φ = 20769275904.

The previous prime is 78885735847. The next prime is 78885735959. The reversal of 78885735936 is 63953758887.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164688145 + ... + 164688623.

It is an arithmetic number, because the mean of its divisors is an integer number (542697408).

Almost surely, 2^78885735936 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 78885735936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130247377920).

78885735936 is an abundant number, since it is smaller than the sum of its proper divisors (181609019904).

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

78885735936 is a wasteful number, since it uses less digits than its factorization.

78885735936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 561 counting only the distinct ones).

The product of its digits is 304819200, while the sum is 69.

The spelling of 78885735936 in words is "seventy-eight billion, eight hundred eighty-five million, seven hundred thirty-five thousand, nine hundred thirty-six".