2106712757 has 8 divisors (see below), whose sum is σ = 2119851552. Its totient is φ = 2093590800.

The previous prime is 2106712753. The next prime is 2106712841. The reversal of 2106712757 is 7572176012.

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

It is not a de Polignac number, because 2106712757 - 2² = 2106712753 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 2106712757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106712753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324578 + ... + 331004.

It is an arithmetic number, because the mean of its divisors is an integer number (264981444).

Almost surely, 2^2106712757 is an apocalyptic number.

It is an amenable number.

2106712757 is a deficient number, since it is larger than the sum of its proper divisors (13138795).

2106712757 is a wasteful number, since it uses less digits than its factorization.

2106712757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8419.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 2106712757 is about 45898.9406958374. The cubic root of 2106712757 is about 1281.9421925383.

Adding to 2106712757 its reverse (7572176012), we get a palindrome (9678888769).

The spelling of 2106712757 in words is "two billion, one hundred six million, seven hundred twelve thousand, seven hundred fifty-seven".