70565936587 has 2 divisors, whose sum is σ = 70565936588. Its totient is φ = 70565936586.

The previous prime is 70565936579. The next prime is 70565936627. The reversal of 70565936587 is 78563956507.

It is a weak prime.

It is an emirp because it is prime and its reverse (78563956507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70565936587 - 2³ = 70565936579 is a prime.

It is not a weakly prime, because it can be changed into another prime (70565936887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35282968293 + 35282968294.

It is an arithmetic number, because the mean of its divisors is an integer number (35282968294).

Almost surely, 2^70565936587 is an apocalyptic number.

70565936587 is a deficient number, since it is larger than the sum of its proper divisors (1).

70565936587 is an equidigital number, since it uses as much as digits as its factorization.

70565936587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628000, while the sum is 61.

The spelling of 70565936587 in words is "seventy billion, five hundred sixty-five million, nine hundred thirty-six thousand, five hundred eighty-seven".