5678249850 has 720 divisors, whose sum is σ = 20689675776. Its totient is φ = 1143072000.

The previous prime is 5678249831. The next prime is 5678249861. The reversal of 5678249850 is 589428765.

5678249850 is a `hidden beast` number, since 567 + 8 + 24 + 9 + 8 + 50 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 79975315 + ... + 79975385.

Almost surely, 2^5678249850 is an apocalyptic number.

5678249850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5678249850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10344837888).

5678249850 is an abundant number, since it is smaller than the sum of its proper divisors (15011425926).

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

5678249850 is a wasteful number, since it uses less digits than its factorization.

5678249850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The square root of 5678249850 is about 75354.1627914477. The cubic root of 5678249850 is about 1784.0410073641.

The spelling of 5678249850 in words is "five billion, six hundred seventy-eight million, two hundred forty-nine thousand, eight hundred fifty".