1320077799 has 6 divisors (see below), whose sum is σ = 1906779056. Its totient is φ = 880051860.

The previous prime is 1320077797. The next prime is 1320077819. The reversal of 1320077799 is 9977700231.

It is not a de Polignac number, because 1320077799 - 2¹ = 1320077797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320077791) 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 5 ways as a sum of consecutive naturals, for example, 73337647 + ... + 73337664.

Almost surely, 2^1320077799 is an apocalyptic number.

1320077799 is a deficient number, since it is larger than the sum of its proper divisors (586701257).

1320077799 is a wasteful number, since it uses less digits than its factorization.

1320077799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146675317 (or 146675314 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 1320077799 is about 36332.8749068939. The cubic root of 1320077799 is about 1096.9828611977.

The spelling of 1320077799 in words is "one billion, three hundred twenty million, seventy-seven thousand, seven hundred ninety-nine".