777600000001 has 12 divisors (see below), whose sum is σ = 863179917012. Its totient is φ = 699909980000.

The previous prime is 777599999971. The next prime is 777600000013. The reversal of 777600000001 is 100000006777.

It can be written as a sum of positive squares in 2 ways, for example, as 766367179776 + 11232820225 = 875424^2 + 105985^2 .

It is not a de Polignac number, because 777600000001 - 2⁹ = 777599999489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (777600000301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31801870 + ... + 31826311.

It is an arithmetic number, because the mean of its divisors is an integer number (71931659751).

Almost surely, 2^777600000001 is an apocalyptic number.

It is an amenable number.

777600000001 is a deficient number, since it is larger than the sum of its proper divisors (85579917011).

777600000001 is a wasteful number, since it uses less digits than its factorization.

777600000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63628304 (or 63628293 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 28.

Adding to 777600000001 its reverse (100000006777), we get a palindrome (877600006778).

The spelling of 777600000001 in words is "seven hundred seventy-seven billion, six hundred million, one", and thus it is an aban number.