877868861448 has 16 divisors (see below), whose sum is σ = 2194672153680. Its totient is φ = 292622953808.

The previous prime is 877868861417. The next prime is 877868861449. The reversal of 877868861448 is 844168868778.

It is a self number, because there is not a number n which added to its sum of digits gives 877868861448.

It is not an unprimeable number, because it can be changed into a prime (877868861449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18288934590 + ... + 18288934637.

It is an arithmetic number, because the mean of its divisors is an integer number (137167009605).

Almost surely, 2^877868861448 is an apocalyptic number.

It is an amenable number.

877868861448 is an abundant number, since it is smaller than the sum of its proper divisors (1316803292232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

877868861448 is a wasteful number, since it uses less digits than its factorization.

877868861448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36577869236 (or 36577869232 counting only the distinct ones).

The product of its digits is 924844032, while the sum is 75.

The spelling of 877868861448 in words is "eight hundred seventy-seven billion, eight hundred sixty-eight million, eight hundred sixty-one thousand, four hundred forty-eight".