8111374947 has 48 divisors (see below), whose sum is σ = 12799358208. Its totient is φ = 4920039360.

The previous prime is 8111374903. The next prime is 8111374963. The reversal of 8111374947 is 7494731118.

It is not a de Polignac number, because 8111374947 - 2¹² = 8111370851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8111374147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6282372 + ... + 6283662.

It is an arithmetic number, because the mean of its divisors is an integer number (266653296).

Almost surely, 2^8111374947 is an apocalyptic number.

8111374947 is a deficient number, since it is larger than the sum of its proper divisors (4687983261).

8111374947 is a wasteful number, since it uses less digits than its factorization.

8111374947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2037 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 8111374947 is about 90063.1719794501. The cubic root of 8111374947 is about 2009.2385048882.

The spelling of 8111374947 in words is "eight billion, one hundred eleven million, three hundred seventy-four thousand, nine hundred forty-seven".