2107065997 has 4 divisors (see below), whose sum is σ = 2142779040. Its totient is φ = 2071352956.

The previous prime is 2107065991. The next prime is 2107066007. The reversal of 2107065997 is 7995607012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2107065997 - 2¹¹ = 2107063949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107065991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17856433 + ... + 17856550.

It is an arithmetic number, because the mean of its divisors is an integer number (535694760).

Almost surely, 2^2107065997 is an apocalyptic number.

It is an amenable number.

2107065997 is a deficient number, since it is larger than the sum of its proper divisors (35713043).

2107065997 is an equidigital number, since it uses as much as digits as its factorization.

2107065997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35713042.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 2107065997 is about 45902.7885536380. The cubic root of 2107065997 is about 1282.0138377988.

The spelling of 2107065997 in words is "two billion, one hundred seven million, sixty-five thousand, nine hundred ninety-seven".