8100869 has 8 divisors (see below), whose sum is σ = 9362880. Its totient is φ = 6865056.

The previous prime is 8100811. The next prime is 8100871. The reversal of 8100869 is 9680018.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8100869 is a prime.

It is a super-2 number, since 2×8100869² = 131248157110322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8100569) 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, 5879 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (1170360).

Almost surely, 2^8100869 is an apocalyptic number.

8100869 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

8100869 is a deficient number, since it is larger than the sum of its proper divisors (1262011).

8100869 is a wasteful number, since it uses less digits than its factorization.

8100869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13099.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 8100869 is about 2846.2025577952. The cubic root of 8100869 is about 200.8370667090.

The spelling of 8100869 in words is "eight million, one hundred thousand, eight hundred sixty-nine".