878834473881650 has 384 divisors, whose sum is σ = 2067199798245120. Its totient is φ = 273024110592000.

The previous prime is 878834473881647. The next prime is 878834473881653. The reversal of 878834473881650 is 56188374438878.

It is an interprime number because it is at equal distance from previous prime (878834473881647) and next prime (878834473881653).

It is not an unprimeable number, because it can be changed into a prime (878834473881653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 37866095246 + ... + 37866118454.

It is an arithmetic number, because the mean of its divisors is an integer number (5383332807930).

Almost surely, 2^{878834473881650} is an apocalyptic number.

878834473881650 is an abundant number, since it is smaller than the sum of its proper divisors (1188365324363470).

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

878834473881650 is a wasteful number, since it uses less digits than its factorization.

878834473881650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28430 (or 28425 counting only the distinct ones).

The product of its (nonzero) digits is 6936330240, while the sum is 80.

The spelling of 878834473881650 in words is "eight hundred seventy-eight trillion, eight hundred thirty-four billion, four hundred seventy-three million, eight hundred eighty-one thousand, six hundred fifty".