1066772839 has 8 divisors (see below), whose sum is σ = 1165639680. Its totient is φ = 968220600.

The previous prime is 1066772813. The next prime is 1066772849. The reversal of 1066772839 is 9382776601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1066772839 - 2⁹ = 1066772327 is a prime.

It is a super-2 number, since 2×1066772839² = 2276008580056239842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1066772792 and 1066772801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066772849) 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 in 7 ways as a sum of consecutive naturals, for example, 71527 + ... + 85144.

It is an arithmetic number, because the mean of its divisors is an integer number (145704960).

Almost surely, 2^1066772839 is an apocalyptic number.

1066772839 is a deficient number, since it is larger than the sum of its proper divisors (98866841).

1066772839 is a wasteful number, since it uses less digits than its factorization.

1066772839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157301.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 1066772839 is about 32661.4886219229. The cubic root of 1066772839 is about 1021.7798090919.

The spelling of 1066772839 in words is "one billion, sixty-six million, seven hundred seventy-two thousand, eight hundred thirty-nine".