7938255907983 has 16 divisors (see below), whose sum is σ = 10593040774400. Its totient is φ = 5287821638976.

The previous prime is 7938255907951. The next prime is 7938255907999. The reversal of 7938255907983 is 3897095528397.

It is not a de Polignac number, because 7938255907983 - 2⁵ = 7938255907951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7938255907903) 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, 41105616 + ... + 41298282.

It is an arithmetic number, because the mean of its divisors is an integer number (662065048400).

Almost surely, 2^{7938255907983} is an apocalyptic number.

7938255907983 is a deficient number, since it is larger than the sum of its proper divisors (2654784866417).

7938255907983 is a wasteful number, since it uses less digits than its factorization.

7938255907983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203886.

The product of its (nonzero) digits is 1028764800, while the sum is 75.

The spelling of 7938255907983 in words is "seven trillion, nine hundred thirty-eight billion, two hundred fifty-five million, nine hundred seven thousand, nine hundred eighty-three".