10069987 has 2 divisors, whose sum is σ = 10069988. Its totient is φ = 10069986.

The previous prime is 10069979. The next prime is 10069991. The reversal of 10069987 is 78996001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10069987 - 2³ = 10069979 is a prime.

It is not a weakly prime, because it can be changed into another prime (10069937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5034993 + 5034994.

It is an arithmetic number, because the mean of its divisors is an integer number (5034994).

Almost surely, 2^10069987 is an apocalyptic number.

10069987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10069987 is an equidigital number, since it uses as much as digits as its factorization.

10069987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 10069987 is about 3173.3242822000. The cubic root of 10069987 is about 215.9449090755.

The spelling of 10069987 in words is "ten million, sixty-nine thousand, nine hundred eighty-seven".