7879789014138 has 48 divisors (see below), whose sum is σ = 17081264616000. Its totient is φ = 2625306178752.

The previous prime is 7879789014137. The next prime is 7879789014143. The reversal of 7879789014138 is 8314109879787.

7879789014138 is a `hidden beast` number, since 78 + 79 + 78 + 9 + 0 + 1 + 413 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (7879789014137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366508113 + ... + 366529611.

It is an arithmetic number, because the mean of its divisors is an integer number (355859679500).

Almost surely, 2^{7879789014138} is an apocalyptic number.

7879789014138 is an abundant number, since it is smaller than the sum of its proper divisors (9201475601862).

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

7879789014138 is a wasteful number, since it uses less digits than its factorization.

7879789014138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30563 (or 30560 counting only the distinct ones).

The product of its (nonzero) digits is 170698752, while the sum is 72.

The spelling of 7879789014138 in words is "seven trillion, eight hundred seventy-nine billion, seven hundred eighty-nine million, fourteen thousand, one hundred thirty-eight".