320108477 has 12 divisors (see below), whose sum is σ = 347459904. Its totient is φ = 294774480.

The previous prime is 320108473. The next prime is 320108479. The reversal of 320108477 is 774801023.

It is a happy number.

It is not a de Polignac number, because 320108477 - 2² = 320108473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320108473) 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 11 ways as a sum of consecutive naturals, for example, 76202 + ... + 80292.

It is an arithmetic number, because the mean of its divisors is an integer number (28954992).

Almost surely, 2^320108477 is an apocalyptic number.

It is an amenable number.

320108477 is a deficient number, since it is larger than the sum of its proper divisors (27351427).

320108477 is a wasteful number, since it uses less digits than its factorization.

320108477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580 (or 4567 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 320108477 is about 17891.5755874098. The cubic root of 320108477 is about 684.0676587143.

The spelling of 320108477 in words is "three hundred twenty million, one hundred eight thousand, four hundred seventy-seven".