478737511937 has 2 divisors, whose sum is σ = 478737511938. Its totient is φ = 478737511936.

The previous prime is 478737511897. The next prime is 478737511961. The reversal of 478737511937 is 739115737874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392682702736 + 86054809201 = 626644^2 + 293351^2 .

It is a cyclic number.

It is not a de Polignac number, because 478737511937 - 2⁶ = 478737511873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478737511937.

It is not a weakly prime, because it can be changed into another prime (478737511997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239368755968 + 239368755969.

It is an arithmetic number, because the mean of its divisors is an integer number (239368755969).

Almost surely, 2^478737511937 is an apocalyptic number.

It is an amenable number.

478737511937 is a deficient number, since it is larger than the sum of its proper divisors (1).

478737511937 is an equidigital number, since it uses as much as digits as its factorization.

478737511937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31116960, while the sum is 62.

The spelling of 478737511937 in words is "four hundred seventy-eight billion, seven hundred thirty-seven million, five hundred eleven thousand, nine hundred thirty-seven".