27067652987 has 2 divisors, whose sum is σ = 27067652988. Its totient is φ = 27067652986.

The previous prime is 27067652959. The next prime is 27067653059. The reversal of 27067652987 is 78925676072.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27067652987 - 2¹² = 27067648891 is a prime.

It is not a weakly prime, because it can be changed into another prime (27067652687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13533826493 + 13533826494.

It is an arithmetic number, because the mean of its divisors is an integer number (13533826494).

Almost surely, 2^27067652987 is an apocalyptic number.

27067652987 is a deficient number, since it is larger than the sum of its proper divisors (1).

27067652987 is an equidigital number, since it uses as much as digits as its factorization.

27067652987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17781120, while the sum is 59.

The spelling of 27067652987 in words is "twenty-seven billion, sixty-seven million, six hundred fifty-two thousand, nine hundred eighty-seven".