5077820540165 has 4 divisors (see below), whose sum is σ = 6093384648204. Its totient is φ = 4062256432128.

The previous prime is 5077820540123. The next prime is 5077820540167. The reversal of 5077820540165 is 5610450287705.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 885162970561 + 4192657569604 = 940831^2 + 2047598^2 .

It is a cyclic number.

It is not a de Polignac number, because 5077820540165 - 2²⁶ = 5077753431301 is a prime.

It is a super-2 number, since 2×5077820540165² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5077820540167) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 507782054012 + ... + 507782054021.

It is an arithmetic number, because the mean of its divisors is an integer number (1523346162051).

Almost surely, 2^{5077820540165} is an apocalyptic number.

It is an amenable number.

5077820540165 is a deficient number, since it is larger than the sum of its proper divisors (1015564108039).

5077820540165 is a wasteful number, since it uses less digits than its factorization.

5077820540165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015564108038.

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 5077820540165 in words is "five trillion, seventy-seven billion, eight hundred twenty million, five hundred forty thousand, one hundred sixty-five".