776008636825 has 12 divisors (see below), whose sum is σ = 964141198380. Its totient is φ = 619587239360.

The previous prime is 776008636727. The next prime is 776008636853. The reversal of 776008636825 is 528636800677.

776008636825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 87765840009 + 688242796816 = 296253^2 + 829604^2 .

It is not a de Polignac number, because 776008636825 - 2²¹ = 776006539673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 776008636825.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30478774 + ... + 30504223.

It is an arithmetic number, because the mean of its divisors is an integer number (80345099865).

Almost surely, 2^776008636825 is an apocalyptic number.

It is an amenable number.

776008636825 is a deficient number, since it is larger than the sum of its proper divisors (188132561555).

776008636825 is a wasteful number, since it uses less digits than its factorization.

776008636825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60983516 (or 60983511 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 776008636825 in words is "seven hundred seventy-six billion, eight million, six hundred thirty-six thousand, eight hundred twenty-five".