78873141240 has 192 divisors, whose sum is σ = 277122736800. Its totient is φ = 19387247616.

The previous prime is 78873141233. The next prime is 78873141241. The reversal of 78873141240 is 4214137887.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78873141241) 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, 97254 + ... + 408906.

Almost surely, 2^78873141240 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 78873141240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138561368400).

78873141240 is an abundant number, since it is smaller than the sum of its proper divisors (198249595560).

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

78873141240 is a wasteful number, since it uses less digits than its factorization.

78873141240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311726 (or 311719 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 78873141240 in words is "seventy-eight billion, eight hundred seventy-three million, one hundred forty-one thousand, two hundred forty".