2071697577765 has 8 divisors (see below), whose sum is σ = 3314716124448. Its totient is φ = 1104905374800.

The previous prime is 2071697577743. The next prime is 2071697577809. The reversal of 2071697577765 is 5677757961702.

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

It is not a de Polignac number, because 2071697577765 - 2⁶ = 2071697577701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2071697577765.

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, 69056585911 + ... + 69056585940.

It is an arithmetic number, because the mean of its divisors is an integer number (414339515556).

Almost surely, 2^{2071697577765} is an apocalyptic number.

It is an amenable number.

2071697577765 is a deficient number, since it is larger than the sum of its proper divisors (1243018546683).

2071697577765 is a wasteful number, since it uses less digits than its factorization.

2071697577765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138113171859.

The product of its (nonzero) digits is 272273400, while the sum is 69.

It can be divided in two parts, 2071697 and 577765, that added together give a palindrome (2649462).

The spelling of 2071697577765 in words is "two trillion, seventy-one billion, six hundred ninety-seven million, five hundred seventy-seven thousand, seven hundred sixty-five".