7938111338 has 8 divisors (see below), whose sum is σ = 12057890880. Its totient is φ = 3918814380.

The previous prime is 7938111329. The next prime is 7938111341. The reversal of 7938111338 is 8331118397.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7938111338² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25120448 + ... + 25120763.

It is an arithmetic number, because the mean of its divisors is an integer number (1507236360).

Almost surely, 2^7938111338 is an apocalyptic number.

7938111338 is a deficient number, since it is larger than the sum of its proper divisors (4119779542).

7938111338 is a wasteful number, since it uses less digits than its factorization.

7938111338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50241292.

The product of its digits is 108864, while the sum is 44.

The square root of 7938111338 is about 89096.0792515585. The cubic root of 7938111338 is about 1994.8292547173.

The spelling of 7938111338 in words is "seven billion, nine hundred thirty-eight million, one hundred eleven thousand, three hundred thirty-eight".