78872360688 has 240 divisors, whose sum is σ = 256472501376. Its totient is φ = 23254283520.

The previous prime is 78872360687. The next prime is 78872360713. The reversal of 78872360688 is 88606327887.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78872360687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1557495 + ... + 1607337.

Almost surely, 2^78872360688 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 78872360688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128236250688).

78872360688 is an abundant number, since it is smaller than the sum of its proper divisors (177600140688).

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

78872360688 is a wasteful number, since it uses less digits than its factorization.

78872360688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49914 (or 49896 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 78872360688 in words is "seventy-eight billion, eight hundred seventy-two million, three hundred sixty thousand, six hundred eighty-eight".