87224051 has 2 divisors, whose sum is σ = 87224052. Its totient is φ = 87224050.

The previous prime is 87223951. The next prime is 87224063. The reversal of 87224051 is 15042278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87224051 - 2¹⁰ = 87223027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87224251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43612025 + 43612026.

It is an arithmetic number, because the mean of its divisors is an integer number (43612026).

Almost surely, 2^87224051 is an apocalyptic number.

87224051 is a deficient number, since it is larger than the sum of its proper divisors (1).

87224051 is an equidigital number, since it uses as much as digits as its factorization.

87224051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 87224051 is about 9339.3817247182. The cubic root of 87224051 is about 443.4848118369.

The spelling of 87224051 in words is "eighty-seven million, two hundred twenty-four thousand, fifty-one".