78460272000 has 1536 divisors, whose sum is σ = 338607360000. Its totient is φ = 17791488000.

The previous prime is 78460271999. The next prime is 78460272013. The reversal of 78460272000 is 27206487.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 993167961 + ... + 993168039.

It is an arithmetic number, because the mean of its divisors is an integer number (220447500).

Almost surely, 2^78460272000 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 78460272000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169303680000).

78460272000 is an abundant number, since it is smaller than the sum of its proper divisors (260147088000).

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

78460272000 is a wasteful number, since it uses less digits than its factorization.

78460272000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

Adding to 78460272000 its reverse (27206487), we get a palindrome (78487478487).

The spelling of 78460272000 in words is "seventy-eight billion, four hundred sixty million, two hundred seventy-two thousand".