8255987 has 4 divisors (see below), whose sum is σ = 8331840. Its totient is φ = 8180136.

The previous prime is 8255983. The next prime is 8256007. The reversal of 8255987 is 7895528.

8255987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8255987 - 2² = 8255983 is a prime.

It is a super-2 number, since 2×8255987² = 136322642688338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8255983) 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, 37763 + ... + 37980.

It is an arithmetic number, because the mean of its divisors is an integer number (2082960).

Almost surely, 2^8255987 is an apocalyptic number.

8255987 is a deficient number, since it is larger than the sum of its proper divisors (75853).

8255987 is a wasteful number, since it uses less digits than its factorization.

8255987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75852.

The product of its digits is 201600, while the sum is 44.

The square root of 8255987 is about 2873.3233371829. The cubic root of 8255987 is about 202.1108678061.

The spelling of 8255987 in words is "eight million, two hundred fifty-five thousand, nine hundred eighty-seven".