78884427139960 has 64 divisors (see below), whose sum is σ = 191146989559680. Its totient is φ = 29125955112960.

The previous prime is 78884427139957. The next prime is 78884427139961. The reversal of 78884427139960 is 6993172448887.

78884427139960 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78884427139961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23988840 + ... + 27078280.

It is an arithmetic number, because the mean of its divisors is an integer number (2986671711870).

Almost surely, 2^{78884427139960} is an apocalyptic number.

It is an amenable number.

78884427139960 is an abundant number, since it is smaller than the sum of its proper divisors (112262562419720).

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

78884427139960 is a wasteful number, since it uses less digits than its factorization.

78884427139960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138568 (or 3138564 counting only the distinct ones).

The product of its (nonzero) digits is 1170505728, while the sum is 76.

The spelling of 78884427139960 in words is "seventy-eight trillion, eight hundred eighty-four billion, four hundred twenty-seven million, one hundred thirty-nine thousand, nine hundred sixty".