1067776481 has 2 divisors, whose sum is σ = 1067776482. Its totient is φ = 1067776480.

The previous prime is 1067776469. The next prime is 1067776483. The reversal of 1067776481 is 1846777601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 976000081 + 91776400 = 31241^2 + 9580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1067776481 is a prime.

It is a super-2 number, since 2×1067776481² = 2280293226753486722, which contains 22 as substring.

Together with 1067776483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1067776483) 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, 533888240 + 533888241.

It is an arithmetic number, because the mean of its divisors is an integer number (533888241).

Almost surely, 2^1067776481 is an apocalyptic number.

It is an amenable number.

1067776481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067776481 is an equidigital number, since it uses as much as digits as its factorization.

1067776481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 1067776481 is about 32676.8493126250. The cubic root of 1067776481 is about 1022.1001458613.

The spelling of 1067776481 in words is "one billion, sixty-seven million, seven hundred seventy-six thousand, four hundred eighty-one".