87448667 has 2 divisors, whose sum is σ = 87448668. Its totient is φ = 87448666.

The previous prime is 87448637. The next prime is 87448687. The reversal of 87448667 is 76684478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87448667 - 2¹² = 87444571 is a prime.

It is not a weakly prime, because it can be changed into another prime (87448637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43724333 + 43724334.

It is an arithmetic number, because the mean of its divisors is an integer number (43724334).

Almost surely, 2^87448667 is an apocalyptic number.

87448667 is a deficient number, since it is larger than the sum of its proper divisors (1).

87448667 is an equidigital number, since it uses as much as digits as its factorization.

87448667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 50.

The square root of 87448667 is about 9351.3992001197. The cubic root of 87448667 is about 443.8651671720.

The spelling of 87448667 in words is "eighty-seven million, four hundred forty-eight thousand, six hundred sixty-seven".