320106763 has 4 divisors (see below), whose sum is σ = 320143608. Its totient is φ = 320069920.

The previous prime is 320106757. The next prime is 320106779. The reversal of 320106763 is 367601023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 320106763 - 2⁹ = 320106251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320106793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2628 + ... + 25438.

It is an arithmetic number, because the mean of its divisors is an integer number (80035902).

Almost surely, 2^320106763 is an apocalyptic number.

320106763 is a deficient number, since it is larger than the sum of its proper divisors (36845).

320106763 is a wasteful number, since it uses less digits than its factorization.

320106763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36844.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 320106763 is about 17891.5276877074. The cubic root of 320106763 is about 684.0664377802.

Adding to 320106763 its reverse (367601023), we get a palindrome (687707786).

The spelling of 320106763 in words is "three hundred twenty million, one hundred six thousand, seven hundred sixty-three".