16775110477 has 2 divisors, whose sum is σ = 16775110478. Its totient is φ = 16775110476.

The previous prime is 16775110439. The next prime is 16775110489. The reversal of 16775110477 is 77401157761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9252323721 + 7522786756 = 96189^2 + 86734^2 .

It is an emirp because it is prime and its reverse (77401157761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16775110477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16775110777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8387555238 + 8387555239.

It is an arithmetic number, because the mean of its divisors is an integer number (8387555239).

Almost surely, 2^16775110477 is an apocalyptic number.

It is an amenable number.

16775110477 is a deficient number, since it is larger than the sum of its proper divisors (1).

16775110477 is an equidigital number, since it uses as much as digits as its factorization.

16775110477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288120, while the sum is 46.

The spelling of 16775110477 in words is "sixteen billion, seven hundred seventy-five million, one hundred ten thousand, four hundred seventy-seven".