7934087938 has 12 divisors (see below), whose sum is σ = 13844174022. Its totient is φ = 3400323360.

The previous prime is 7934087923. The next prime is 7934087971. The reversal of 7934087938 is 8397804397.

It can be written as a sum of positive squares in only one way, i.e., 7101938529 + 832149409 = 84273^2 + 28847^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40479943 + ... + 40480138.

Almost surely, 2^7934087938 is an apocalyptic number.

7934087938 is a deficient number, since it is larger than the sum of its proper divisors (5910086084).

7934087938 is a wasteful number, since it uses less digits than its factorization.

7934087938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80960097 (or 80960090 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The square root of 7934087938 is about 89073.4973940060. The cubic root of 7934087938 is about 1994.4921740170.

The spelling of 7934087938 in words is "seven billion, nine hundred thirty-four million, eighty-seven thousand, nine hundred thirty-eight".