250606056978 has 56 divisors (see below), whose sum is σ = 564136538700. Its totient is φ = 83456689824.

The previous prime is 250606056829. The next prime is 250606057003. The reversal of 250606056978 is 879650606052.

It is a happy number.

250606056978 is a `hidden beast` number, since 2 + 5 + 0 + 6 + 0 + 6 + 0 + 569 + 78 = 666.

250606056978 is digitally balanced in base 3, 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 250553305809 + 52751169 = 500553^2 + 7263^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1478208 + ... + 1638996.

Almost surely, 2^250606056978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250606056978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282068269350).

250606056978 is an abundant number, since it is smaller than the sum of its proper divisors (313530481722).

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

250606056978 is a wasteful number, since it uses less digits than its factorization.

250606056978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161878 (or 161863 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 250606056978 in words is "two hundred fifty billion, six hundred six million, fifty-six thousand, nine hundred seventy-eight".