878740004850 has 96 divisors (see below), whose sum is σ = 2215671205824. Its totient is φ = 230419449600.

The previous prime is 878740004827. The next prime is 878740004869. The reversal of 878740004850 is 58400047878.

It is a super-2 number, since 2×878740004850² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 878740004793 and 878740004802.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34784824 + ... + 34810076.

It is an arithmetic number, because the mean of its divisors is an integer number (23079908394).

Almost surely, 2^878740004850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878740004850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107835602912).

878740004850 is an abundant number, since it is smaller than the sum of its proper divisors (1336931200974).

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

878740004850 is a wasteful number, since it uses less digits than its factorization.

878740004850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29132 (or 29127 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 51.

The spelling of 878740004850 in words is "eight hundred seventy-eight billion, seven hundred forty million, four thousand, eight hundred fifty".