87943067 has 2 divisors, whose sum is σ = 87943068. Its totient is φ = 87943066.

The previous prime is 87943033. The next prime is 87943103. The reversal of 87943067 is 76034978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87943067 - 2⁶ = 87943003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87943367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43971533 + 43971534.

It is an arithmetic number, because the mean of its divisors is an integer number (43971534).

Almost surely, 2^87943067 is an apocalyptic number.

87943067 is a deficient number, since it is larger than the sum of its proper divisors (1).

87943067 is an equidigital number, since it uses as much as digits as its factorization.

87943067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 87943067 is about 9377.7964895811. The cubic root of 87943067 is about 444.7000748001.

It can be divided in two parts, 8 and 7943067, that multiplied together give a palindrome (63544536).

The spelling of 87943067 in words is "eighty-seven million, nine hundred forty-three thousand, sixty-seven".