1620677327 has 2 divisors, whose sum is σ = 1620677328. Its totient is φ = 1620677326.

The previous prime is 1620677297. The next prime is 1620677363. The reversal of 1620677327 is 7237760261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1620677327 - 2⁶ = 1620677263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1620676327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810338663 + 810338664.

It is an arithmetic number, because the mean of its divisors is an integer number (810338664).

Almost surely, 2^1620677327 is an apocalyptic number.

1620677327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1620677327 is an equidigital number, since it uses as much as digits as its factorization.

1620677327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 1620677327 is about 40257.6368779888. The cubic root of 1620677327 is about 1174.6239513684.

The spelling of 1620677327 in words is "one billion, six hundred twenty million, six hundred seventy-seven thousand, three hundred twenty-seven".