8138763 has 12 divisors (see below), whose sum is σ = 12161760. Its totient is φ = 5238576.

The previous prime is 8138761. The next prime is 8138773. The reversal of 8138763 is 3678318.

8138763 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8138763 - 2¹ = 8138761 is a prime.

It is an Ulam number.

8138763 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8138761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15331 + ... + 15852.

It is an arithmetic number, because the mean of its divisors is an integer number (1013480).

Almost surely, 2^8138763 is an apocalyptic number.

8138763 is a deficient number, since it is larger than the sum of its proper divisors (4022997).

8138763 is a wasteful number, since it uses less digits than its factorization.

8138763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31218 (or 31215 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 8138763 is about 2852.8517311630. The cubic root of 8138763 is about 201.1497362014.

The spelling of 8138763 in words is "eight million, one hundred thirty-eight thousand, seven hundred sixty-three".