877828778 has 16 divisors (see below), whose sum is σ = 1349986176. Its totient is φ = 427851360.

The previous prime is 877828717. The next prime is 877828801.

877828778 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 877828778.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112925 + ... + 120447.

It is an arithmetic number, because the mean of its divisors is an integer number (84374136).

Almost surely, 2^877828778 is an apocalyptic number.

877828778 is a deficient number, since it is larger than the sum of its proper divisors (472157398).

877828778 is a wasteful number, since it uses less digits than its factorization.

877828778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8989.

The product of its digits is 19668992, while the sum is 62.

The square root of 877828778 is about 29628.1754078782. The cubic root of 877828778 is about 957.4951983889.

The spelling of 877828778 in words is "eight hundred seventy-seven million, eight hundred twenty-eight thousand, seven hundred seventy-eight".