70086665087 has 2 divisors, whose sum is σ = 70086665088. Its totient is φ = 70086665086.

The previous prime is 70086665059. The next prime is 70086665113. The reversal of 70086665087 is 78056668007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70086665087 - 2¹⁸ = 70086402943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70086668087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35043332543 + 35043332544.

It is an arithmetic number, because the mean of its divisors is an integer number (35043332544).

Almost surely, 2^70086665087 is an apocalyptic number.

70086665087 is a deficient number, since it is larger than the sum of its proper divisors (1).

70086665087 is an equidigital number, since it uses as much as digits as its factorization.

70086665087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 70086665087 in words is "seventy billion, eighty-six million, six hundred sixty-five thousand, eighty-seven".