47308220765 has 16 divisors (see below), whose sum is σ = 61230457008. Its totient is φ = 34881770496.

The previous prime is 47308220759. The next prime is 47308220797. The reversal of 47308220765 is 56702280374.

It can be written as a sum of positive squares in 8 ways, for example, as 6077293849 + 41230926916 = 77957^2 + 203054^2 .

It is a cyclic number.

It is not a de Polignac number, because 47308220765 - 2¹⁰ = 47308219741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 514844 + ... + 599733.

It is an arithmetic number, because the mean of its divisors is an integer number (3826903563).

Almost surely, 2^47308220765 is an apocalyptic number.

It is an amenable number.

47308220765 is a deficient number, since it is larger than the sum of its proper divisors (13922236243).

47308220765 is a wasteful number, since it uses less digits than its factorization.

47308220765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115248.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 47308220765 in words is "forty-seven billion, three hundred eight million, two hundred twenty thousand, seven hundred sixty-five".