78912343260 has 240 divisors, whose sum is σ = 256082061312. Its totient is φ = 20321020800.

The previous prime is 78912343253. The next prime is 78912343277. The reversal of 78912343260 is 6234321987.

78912343260 is a `hidden beast` number, since 7 + 8 + 91 + 234 + 326 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 28272465 + ... + 28275255.

Almost surely, 2^78912343260 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 78912343260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128041030656).

78912343260 is an abundant number, since it is smaller than the sum of its proper divisors (177169718052).

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

78912343260 is a wasteful number, since it uses less digits than its factorization.

78912343260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406 (or 3395 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 78912343260 in words is "seventy-eight billion, nine hundred twelve million, three hundred forty-three thousand, two hundred sixty".