78884427140000 has 960 divisors, whose sum is σ = 220311037900800. Its totient is φ = 27636940800000.

The previous prime is 78884427139961. The next prime is 78884427140053. The reversal of 78884427140000 is 4172448887.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 125014939685 + ... + 125014940315.

It is an arithmetic number, because the mean of its divisors is an integer number (229490664480).

Almost surely, 2^{78884427140000} 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 78884427140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110155518950400).

78884427140000 is an abundant number, since it is smaller than the sum of its proper divisors (141426610760800).

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

78884427140000 is a wasteful number, since it uses less digits than its factorization.

78884427140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 53.

Adding to 78884427140000 its reverse (4172448887), we get a palindrome (78888599588887).

The spelling of 78884427140000 in words is "seventy-eight trillion, eight hundred eighty-four billion, four hundred twenty-seven million, one hundred forty thousand".