10947913777 has 2 divisors, whose sum is σ = 10947913778. Its totient is φ = 10947913776.

The previous prime is 10947913771. The next prime is 10947913787. The reversal of 10947913777 is 77731974901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5978227761 + 4969686016 = 77319^2 + 70496^2 .

It is a cyclic number.

It is not a de Polignac number, because 10947913777 - 2¹¹ = 10947911729 is a prime.

It is not a weakly prime, because it can be changed into another prime (10947913771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5473956888 + 5473956889.

It is an arithmetic number, because the mean of its divisors is an integer number (5473956889).

Almost surely, 2^10947913777 is an apocalyptic number.

It is an amenable number.

10947913777 is a deficient number, since it is larger than the sum of its proper divisors (1).

10947913777 is an equidigital number, since it uses as much as digits as its factorization.

10947913777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2333772, while the sum is 55.

It can be divided in two parts, 109479 and 13777, that added together give a triangular number (123256 = T₄₉₆).

The spelling of 10947913777 in words is "ten billion, nine hundred forty-seven million, nine hundred thirteen thousand, seven hundred seventy-seven".