87814043 has 2 divisors, whose sum is σ = 87814044. Its totient is φ = 87814042.

The previous prime is 87814039. The next prime is 87814049. The reversal of 87814043 is 34041878.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87814043 - 2² = 87814039 is a prime.

It is a super-2 number, since 2×87814043² = 15422612296011698, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p_5097626 and since 87814043 and 5097626 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 87813994 and 87814012.

It is not a weakly prime, because it can be changed into another prime (87814049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43907021 + 43907022.

It is an arithmetic number, because the mean of its divisors is an integer number (43907022).

Almost surely, 2^87814043 is an apocalyptic number.

87814043 is a deficient number, since it is larger than the sum of its proper divisors (1).

87814043 is an equidigital number, since it uses as much as digits as its factorization.

87814043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 87814043 is about 9370.9147365665. The cubic root of 87814043 is about 444.4824906018.

The spelling of 87814043 in words is "eighty-seven million, eight hundred fourteen thousand, forty-three".