1330777772 has 6 divisors (see below), whose sum is σ = 2328861108. Its totient is φ = 665388884.

The previous prime is 1330777753. The next prime is 1330777807. The reversal of 1330777772 is 2777770331.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166347218 + ... + 166347225.

It is an arithmetic number, because the mean of its divisors is an integer number (388143518).

Almost surely, 2^1330777772 is an apocalyptic number.

It is an amenable number.

1330777772 is a deficient number, since it is larger than the sum of its proper divisors (998083336).

1330777772 is a wasteful number, since it uses less digits than its factorization.

1330777772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332694447 (or 332694445 counting only the distinct ones).

The product of its (nonzero) digits is 302526, while the sum is 44.

The square root of 1330777772 is about 36479.8269184491. The cubic root of 1330777772 is about 1099.9387767578.

The spelling of 1330777772 in words is "one billion, three hundred thirty million, seven hundred seventy-seven thousand, seven hundred seventy-two".