147669966677 has 2 divisors, whose sum is σ = 147669966678. Its totient is φ = 147669966676.

The previous prime is 147669966667. The next prime is 147669966707. The reversal of 147669966677 is 776669966741.

147669966677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118973945476 + 28696021201 = 344926^2 + 169399^2 .

It is an emirp because it is prime and its reverse (776669966741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147669966677 - 2²⁶ = 147602857813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147669966617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73834983338 + 73834983339.

It is an arithmetic number, because the mean of its divisors is an integer number (73834983339).

Almost surely, 2^147669966677 is an apocalyptic number.

It is an amenable number.

147669966677 is a deficient number, since it is larger than the sum of its proper divisors (1).

147669966677 is an equidigital number, since it uses as much as digits as its factorization.

147669966677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864162432, while the sum is 74.

The spelling of 147669966677 in words is "one hundred forty-seven billion, six hundred sixty-nine million, nine hundred sixty-six thousand, six hundred seventy-seven".