879285863 has 2 divisors, whose sum is σ = 879285864. Its totient is φ = 879285862.

The previous prime is 879285859. The next prime is 879285919. The reversal of 879285863 is 368582978.

It is an a-pointer prime, because the next prime (879285919) can be obtained adding 879285863 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 879285863 - 2² = 879285859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 879285799 and 879285808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879285833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439642931 + 439642932.

It is an arithmetic number, because the mean of its divisors is an integer number (439642932).

Almost surely, 2^879285863 is an apocalyptic number.

879285863 is a deficient number, since it is larger than the sum of its proper divisors (1).

879285863 is an equidigital number, since it uses as much as digits as its factorization.

879285863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 56.

The square root of 879285863 is about 29652.7547286926. The cubic root of 879285863 is about 958.0246792747.

The spelling of 879285863 in words is "eight hundred seventy-nine million, two hundred eighty-five thousand, eight hundred sixty-three".