187087707 has 6 divisors (see below), whose sum is σ = 270237812. Its totient is φ = 124725132.

The previous prime is 187087679. The next prime is 187087741. The reversal of 187087707 is 707780781.

It is a de Polignac number, because none of the positive numbers 2^k-187087707 is a prime.

It is a super-2 number, since 2×187087707² = 70003620221035698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (187087007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10393753 + ... + 10393770.

Almost surely, 2^187087707 is an apocalyptic number.

187087707 is a deficient number, since it is larger than the sum of its proper divisors (83150105).

187087707 is a wasteful number, since it uses less digits than its factorization.

187087707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20787529 (or 20787526 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 45.

The square root of 187087707 is about 13678.0008407662. Note that the first 3 decimals coincide. The cubic root of 187087707 is about 571.9372954802.

The spelling of 187087707 in words is "one hundred eighty-seven million, eighty-seven thousand, seven hundred seven".