878481085811 has 8 divisors (see below), whose sum is σ = 1020994967040. Its totient is φ = 740221350408.

The previous prime is 878481085789. The next prime is 878481085819. The reversal of 878481085811 is 118580184878.

878481085811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 878481085811 - 2⁶ = 878481085747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (878481085819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063536011 + ... + 1063536836.

It is an arithmetic number, because the mean of its divisors is an integer number (127624370880).

Almost surely, 2^878481085811 is an apocalyptic number.

878481085811 is a deficient number, since it is larger than the sum of its proper divisors (142513881229).

878481085811 is a wasteful number, since it uses less digits than its factorization.

878481085811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127072913.

The product of its (nonzero) digits is 4587520, while the sum is 59.

The spelling of 878481085811 in words is "eight hundred seventy-eight billion, four hundred eighty-one million, eighty-five thousand, eight hundred eleven".