320334732247487 has 2 divisors, whose sum is σ = 320334732247488. Its totient is φ = 320334732247486.

The previous prime is 320334732247429. The next prime is 320334732247561. The reversal of 320334732247487 is 784742237433023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320334732247487 - 2¹⁴ = 320334732231103 is a prime.

It is a super-2 number, since 2×320334732247487² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320334732241487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160167366123743 + 160167366123744.

It is an arithmetic number, because the mean of its divisors is an integer number (160167366123744).

Almost surely, 2^{320334732247487} is an apocalyptic number.

320334732247487 is a deficient number, since it is larger than the sum of its proper divisors (1).

320334732247487 is an equidigital number, since it uses as much as digits as its factorization.

320334732247487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113799168, while the sum is 59.

The spelling of 320334732247487 in words is "three hundred twenty trillion, three hundred thirty-four billion, seven hundred thirty-two million, two hundred forty-seven thousand, four hundred eighty-seven".