9970087 has 2 divisors, whose sum is σ = 9970088. Its totient is φ = 9970086.

The previous prime is 9970073. The next prime is 9970111. The reversal of 9970087 is 7800799.

It is a weak prime.

It is an emirp because it is prime and its reverse (7800799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9970087 - 2⁷ = 9969959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9970027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4985043 + 4985044.

It is an arithmetic number, because the mean of its divisors is an integer number (4985044).

Almost surely, 2^9970087 is an apocalyptic number.

9970087 is a deficient number, since it is larger than the sum of its proper divisors (1).

9970087 is an equidigital number, since it uses as much as digits as its factorization.

9970087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 9970087 is about 3157.5444573276. The cubic root of 9970087 is about 215.2284357679.

The spelling of 9970087 in words is "nine million, nine hundred seventy thousand, eighty-seven".