2107239687 has 12 divisors (see below), whose sum is σ = 3478618000. Its totient is φ = 1204136928.

The previous prime is 2107239683. The next prime is 2107239727. The reversal of 2107239687 is 7869327012.

It is not a de Polignac number, because 2107239687 - 2² = 2107239683 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 (2107239683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16724062 + ... + 16724187.

Almost surely, 2^2107239687 is an apocalyptic number.

2107239687 is a deficient number, since it is larger than the sum of its proper divisors (1371378313).

2107239687 is a wasteful number, since it uses less digits than its factorization.

2107239687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33448262 (or 33448259 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 2107239687 is about 45904.6804476406. The cubic root of 2107239687 is about 1282.0490632206.

The spelling of 2107239687 in words is "two billion, one hundred seven million, two hundred thirty-nine thousand, six hundred eighty-seven".