87869063 has 2 divisors, whose sum is σ = 87869064. Its totient is φ = 87869062.

The previous prime is 87869059. The next prime is 87869069. The reversal of 87869063 is 36096878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87869063 - 2² = 87869059 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 87868999 and 87869017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87869069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43934531 + 43934532.

It is an arithmetic number, because the mean of its divisors is an integer number (43934532).

Almost surely, 2^87869063 is an apocalyptic number.

87869063 is a deficient number, since it is larger than the sum of its proper divisors (1).

87869063 is an equidigital number, since it uses as much as digits as its factorization.

87869063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 87869063 is about 9373.8499561280. The cubic root of 87869063 is about 444.5753015769.

The spelling of 87869063 in words is "eighty-seven million, eight hundred sixty-nine thousand, sixty-three".