1077066065 has 4 divisors (see below), whose sum is σ = 1292479284. Its totient is φ = 861652848.

The previous prime is 1077066043. The next prime is 1077066073. The reversal of 1077066065 is 5606607701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 254466304 + 822599761 = 15952^2 + 28681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1077066065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107706602 + ... + 107706611.

It is an arithmetic number, because the mean of its divisors is an integer number (323119821).

Almost surely, 2^1077066065 is an apocalyptic number.

It is an amenable number.

1077066065 is a deficient number, since it is larger than the sum of its proper divisors (215413219).

1077066065 is an equidigital number, since it uses as much as digits as its factorization.

1077066065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215413218.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 1077066065 is about 32818.6846933268. The cubic root of 1077066065 is about 1025.0556590835.

The spelling of 1077066065 in words is "one billion, seventy-seven million, sixty-six thousand, sixty-five".