8739887 has 16 divisors (see below), whose sum is σ = 10124352. Its totient is φ = 7472640.

The previous prime is 8739883. The next prime is 8739901. The reversal of 8739887 is 7889378.

8739887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8739887 - 2² = 8739883 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 (8739883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15413 + ... + 15969.

It is an arithmetic number, because the mean of its divisors is an integer number (632772).

Almost surely, 2^8739887 is an apocalyptic number.

8739887 is the 2414-th pentagonal number.

8739887 is a deficient number, since it is larger than the sum of its proper divisors (1384465).

8739887 is a wasteful number, since it uses less digits than its factorization.

8739887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658.

The product of its digits is 677376, while the sum is 50.

The square root of 8739887 is about 2956.3299883470. The cubic root of 8739887 is about 205.9848466561.

The spelling of 8739887 in words is "eight million, seven hundred thirty-nine thousand, eight hundred eighty-seven".