8869799 has 2 divisors, whose sum is σ = 8869800. Its totient is φ = 8869798.

The previous prime is 8869781. The next prime is 8869837. The reversal of 8869799 is 9979688.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8869799 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8869759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4434899 + 4434900.

It is an arithmetic number, because the mean of its divisors is an integer number (4434900).

Almost surely, 2^8869799 is an apocalyptic number.

8869799 is a deficient number, since it is larger than the sum of its proper divisors (1).

8869799 is an equidigital number, since it uses as much as digits as its factorization.

8869799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 56.

The square root of 8869799 is about 2978.2207775785. The cubic root of 8869799 is about 207.0004356374. Note that the first 3 decimals are identical.

Subtracting from 8869799 its sum of digits (56), we obtain a cube (8869743 = 207³).

The spelling of 8869799 in words is "eight million, eight hundred sixty-nine thousand, seven hundred ninety-nine".