7907433072138 has 96 divisors (see below), whose sum is σ = 18181350899712. Its totient is φ = 2479978404000.

The previous prime is 7907433072109. The next prime is 7907433072151. The reversal of 7907433072138 is 8312703347097.

7907433072138 is a `hidden beast` number, since 7 + 9 + 0 + 7 + 433 + 0 + 72 + 138 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2961745 + ... + 4958507.

It is an arithmetic number, because the mean of its divisors is an integer number (189389071872).

Almost surely, 2^{7907433072138} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7907433072138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9090675449856).

7907433072138 is an abundant number, since it is smaller than the sum of its proper divisors (10273917827574).

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

7907433072138 is a wasteful number, since it uses less digits than its factorization.

7907433072138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997000 (or 1996997 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 7907433072138 in words is "seven trillion, nine hundred seven billion, four hundred thirty-three million, seventy-two thousand, one hundred thirty-eight".