877678064 has 20 divisors (see below), whose sum is σ = 1710938856. Its totient is φ = 436145472.

The previous prime is 877678063. The next prime is 877678099. The reversal of 877678064 is 460876778.

It is a junction number, because it is equal to n+sod(n) for n = 877677997 and 877678015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877678063) 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 3 ways as a sum of consecutive naturals, for example, 165659 + ... + 170874.

Almost surely, 2^877678064 is an apocalyptic number.

It is an amenable number.

877678064 is a deficient number, since it is larger than the sum of its proper divisors (833260792).

877678064 is a wasteful number, since it uses less digits than its factorization.

877678064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336704 (or 336698 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 53.

The square root of 877678064 is about 29625.6318751179. The cubic root of 877678064 is about 957.4403979561.

The spelling of 877678064 in words is "eight hundred seventy-seven million, six hundred seventy-eight thousand, sixty-four".