8102865287 has 8 divisors (see below), whose sum is σ = 8844339072. Its totient is φ = 7362199800.

The previous prime is 8102865167. The next prime is 8102865311. The reversal of 8102865287 is 7825682018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8102865287 - 2²⁴ = 8086088071 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 (8102867287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181013 + ... + 221294.

It is an arithmetic number, because the mean of its divisors is an integer number (1105542384).

Almost surely, 2^8102865287 is an apocalyptic number.

8102865287 is a deficient number, since it is larger than the sum of its proper divisors (741473785).

8102865287 is a wasteful number, since it uses less digits than its factorization.

8102865287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404149.

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 8102865287 is about 90015.9168536321. The cubic root of 8102865287 is about 2008.5356269629.

The spelling of 8102865287 in words is "eight billion, one hundred two million, eight hundred sixty-five thousand, two hundred eighty-seven".