87206506003 has 2 divisors, whose sum is σ = 87206506004. Its totient is φ = 87206506002.

The previous prime is 87206505977. The next prime is 87206506031. The reversal of 87206506003 is 30060560278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87206506003 - 2²⁵ = 87172951571 is a prime.

It is not a weakly prime, because it can be changed into another prime (87206506103) 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, 43603253001 + 43603253002.

It is an arithmetic number, because the mean of its divisors is an integer number (43603253002).

Almost surely, 2^87206506003 is an apocalyptic number.

87206506003 is a deficient number, since it is larger than the sum of its proper divisors (1).

87206506003 is an equidigital number, since it uses as much as digits as its factorization.

87206506003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 87206506003 in words is "eighty-seven billion, two hundred six million, five hundred six thousand, three".