2000776165 has 8 divisors (see below), whose sum is σ = 2424703608. Its totient is φ = 1584772800.

The previous prime is 2000776157. The next prime is 2000776241. The reversal of 2000776165 is 5616770002.

It can be written as a sum of positive squares in 4 ways, for example, as 464057764 + 1536718401 = 21542^2 + 39201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2000776165 - 2³ = 2000776157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2000776165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980462 + ... + 1981471.

It is an arithmetic number, because the mean of its divisors is an integer number (303087951).

Almost surely, 2^2000776165 is an apocalyptic number.

It is an amenable number.

2000776165 is a deficient number, since it is larger than the sum of its proper divisors (423927443).

2000776165 is a wasteful number, since it uses less digits than its factorization.

2000776165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962039.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 2000776165 is about 44730.0364967434. The cubic root of 2000776165 is about 1260.0840132526.

The spelling of 2000776165 in words is "two billion, seven hundred seventy-six thousand, one hundred sixty-five".