320375375887 has 16 divisors (see below), whose sum is σ = 383015411712. Its totient is φ = 262012924800.

The previous prime is 320375375869. The next prime is 320375375897. The reversal of 320375375887 is 788573573023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320375375887 - 2³¹ = 318227892239 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 (320375375897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2416623 + ... + 2545744.

It is an arithmetic number, because the mean of its divisors is an integer number (23938463232).

Almost surely, 2^320375375887 is an apocalyptic number.

320375375887 is a deficient number, since it is larger than the sum of its proper divisors (62640035825).

320375375887 is a wasteful number, since it uses less digits than its factorization.

320375375887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962798.

The product of its (nonzero) digits is 29635200, while the sum is 58.

The spelling of 320375375887 in words is "three hundred twenty billion, three hundred seventy-five million, three hundred seventy-five thousand, eight hundred eighty-seven".