1066677777 has 12 divisors (see below), whose sum is σ = 1680825744. Its totient is φ = 646471320.

The previous prime is 1066677761. The next prime is 1066677811. The reversal of 1066677777 is 7777766601.

1066677777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1066677777 - 2⁴ = 1066677761 is a prime.

It is a super-2 number, since 2×1066677777² = 2275602959891323458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066677077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5387163 + ... + 5387360.

It is an arithmetic number, because the mean of its divisors is an integer number (140068812).

Almost surely, 2^1066677777 is an apocalyptic number.

It is an amenable number.

1066677777 is a deficient number, since it is larger than the sum of its proper divisors (614147967).

1066677777 is a wasteful number, since it uses less digits than its factorization.

1066677777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10774540 (or 10774537 counting only the distinct ones).

The product of its (nonzero) digits is 3630312, while the sum is 54.

The square root of 1066677777 is about 32660.0333282132. The cubic root of 1066677777 is about 1021.7494573263.

The spelling of 1066677777 in words is "one billion, sixty-six million, six hundred seventy-seven thousand, seven hundred seventy-seven".