78883601140 has 48 divisors (see below), whose sum is σ = 170341277904. Its totient is φ = 30663014400.

The previous prime is 78883601117. The next prime is 78883601197. The reversal of 78883601140 is 4110638887.

It can be written as a sum of positive squares in 8 ways, for example, as 1508390244 + 77375210896 = 38838^2 + 278164^2 .

It is a super-4 number, since 4×78883601140⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542620 + ... + 672460.

It is an arithmetic number, because the mean of its divisors is an integer number (3548776623).

Almost surely, 2^78883601140 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 78883601140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85170638952).

78883601140 is an abundant number, since it is smaller than the sum of its proper divisors (91457676764).

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

78883601140 is a wasteful number, since it uses less digits than its factorization.

78883601140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130708 (or 130706 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 78883601140 in words is "seventy-eight billion, eight hundred eighty-three million, six hundred one thousand, one hundred forty".