77008027 has 2 divisors, whose sum is σ = 77008028. Its totient is φ = 77008026.

The previous prime is 77008003. The next prime is 77008033. The reversal of 77008027 is 72080077.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77008027 - 2⁷ = 77007899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77008027.

It is not a weakly prime, because it can be changed into another prime (77008067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38504013 + 38504014.

It is an arithmetic number, because the mean of its divisors is an integer number (38504014).

Almost surely, 2^77008027 is an apocalyptic number.

77008027 is a deficient number, since it is larger than the sum of its proper divisors (1).

77008027 is an equidigital number, since it uses as much as digits as its factorization.

77008027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 77008027 is about 8775.4217562462. The cubic root of 77008027 is about 425.4468693024.

The spelling of 77008027 in words is "seventy-seven million, eight thousand, twenty-seven".