477720007345 has 12 divisors (see below), whose sum is σ = 666858133044. Its totient is φ = 327579433440.

The previous prime is 477720007307. The next prime is 477720007357. The reversal of 477720007345 is 543700027774.

It can be written as a sum of positive squares in 2 ways, for example, as 324927360576 + 152792646769 = 570024^2 + 390887^2 .

It is not a de Polignac number, because 477720007345 - 2⁷ = 477720007217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 477720007295 and 477720007304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 974938546 + ... + 974939035.

It is an arithmetic number, because the mean of its divisors is an integer number (55571511087).

Almost surely, 2^477720007345 is an apocalyptic number.

It is an amenable number.

477720007345 is a deficient number, since it is larger than the sum of its proper divisors (189138125699).

477720007345 is a wasteful number, since it uses less digits than its factorization.

477720007345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949877600 (or 1949877593 counting only the distinct ones).

The product of its (nonzero) digits is 1152480, while the sum is 46.

The spelling of 477720007345 in words is "four hundred seventy-seven billion, seven hundred twenty million, seven thousand, three hundred forty-five".