250678764 has 108 divisors (see below), whose sum is σ = 743271984. Its totient is φ = 69758208.

The previous prime is 250678763. The next prime is 250678783. The reversal of 250678764 is 467876052.

250678764 is a `hidden beast` number, since 2 + 506 + 7 + 87 + 64 = 666.

250678764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250678763) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1829704 + ... + 1829840.

It is an arithmetic number, because the mean of its divisors is an integer number (6882148).

Almost surely, 2^250678764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250678764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371635992).

250678764 is an abundant number, since it is smaller than the sum of its proper divisors (492593220).

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

250678764 is a wasteful number, since it uses less digits than its factorization.

250678764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 250678764 is about 15832.8381536603. The cubic root of 250678764 is about 630.5301357839.

The spelling of 250678764 in words is "two hundred fifty million, six hundred seventy-eight thousand, seven hundred sixty-four".