878250122500 has 45 divisors (see below), whose sum is σ = 1920659841331. Its totient is φ = 351281306000.

The previous prime is 878250122473. The next prime is 878250122509. The reversal of 878250122500 is 5221052878.

The square root of 878250122500 is 937150.

It is a perfect power (a square), and thus also a powerful number.

878250122500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 68854809604 + 809395312896 = 262402^2 + 899664^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (878250122509) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 46848129 + ... + 46866871.

Almost surely, 2^878250122500 is an apocalyptic number.

878250122500 is the 937150-th square number.

It is an amenable number.

878250122500 is an abundant number, since it is smaller than the sum of its proper divisors (1042409718831).

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

878250122500 is an frugal number, since it uses more digits than its factorization.

878250122500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37510 (or 18750 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The spelling of 878250122500 in words is "eight hundred seventy-eight billion, two hundred fifty million, one hundred twenty-two thousand, five hundred".