5250487878 has 48 divisors (see below), whose sum is σ = 11821957056. Its totient is φ = 1746518760.

The previous prime is 5250487871. The next prime is 5250487889. The reversal of 5250487878 is 8787840525.

5250487878 is a `hidden beast` number, since 52 + 504 + 8 + 7 + 87 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5250487871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227625 + ... + 249627.

It is an arithmetic number, because the mean of its divisors is an integer number (246290772).

Almost surely, 2^5250487878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5250487878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5910978528).

5250487878 is an abundant number, since it is smaller than the sum of its proper divisors (6571469178).

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

5250487878 is a wasteful number, since it uses less digits than its factorization.

5250487878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22511 (or 22499 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 54.

The square root of 5250487878 is about 72460.2503307848. The cubic root of 5250487878 is about 1738.0671581384.

The spelling of 5250487878 in words is "five billion, two hundred fifty million, four hundred eighty-seven thousand, eight hundred seventy-eight".