8120763 has 16 divisors (see below), whose sum is σ = 13749760. Its totient is φ = 4640328.

The previous prime is 8120759. The next prime is 8120773. The reversal of 8120763 is 3670218.

It is not a de Polignac number, because 8120763 - 2² = 8120759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (8120773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21295 + ... + 21672.

It is an arithmetic number, because the mean of its divisors is an integer number (859360).

Almost surely, 2^8120763 is an apocalyptic number.

8120763 is a deficient number, since it is larger than the sum of its proper divisors (5628997).

8120763 is a wasteful number, since it uses less digits than its factorization.

8120763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42983 (or 42977 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 8120763 is about 2849.6952468641. The cubic root of 8120763 is about 201.0013365917.

The spelling of 8120763 in words is "eight million, one hundred twenty thousand, seven hundred sixty-three".