776066145 has 16 divisors (see below), whose sum is σ = 1242533952. Its totient is φ = 413625920.

The previous prime is 776066143. The next prime is 776066171. The reversal of 776066145 is 541660677.

It is not a de Polignac number, because 776066145 - 2¹ = 776066143 is a prime.

It is a super-2 number, since 2×776066145² = 1204557322830322050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 776066097 and 776066106.

It is not an unprimeable number, because it can be changed into a prime (776066143) 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 15 ways as a sum of consecutive naturals, for example, 7099 + ... + 40031.

It is an arithmetic number, because the mean of its divisors is an integer number (77658372).

Almost surely, 2^776066145 is an apocalyptic number.

It is an amenable number.

776066145 is a deficient number, since it is larger than the sum of its proper divisors (466467807).

776066145 is a wasteful number, since it uses less digits than its factorization.

776066145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34512.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 776066145 is about 27857.9637626299. The cubic root of 776066145 is about 918.9662873637.

The spelling of 776066145 in words is "seven hundred seventy-six million, sixty-six thousand, one hundred forty-five".