248122847988 has 36 divisors (see below), whose sum is σ = 627217876740. Its totient is φ = 82705182336.

The previous prime is 248122847983. The next prime is 248122848031. The reversal of 248122847988 is 889748221842.

248122847988 is a `hidden beast` number, since 2 + 4 + 81 + 2 + 2 + 8 + 479 + 88 = 666.

248122847988 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 205714859364 + 42407988624 = 453558^2 + 205932^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248122847983) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1474558 + ... + 1634186.

Almost surely, 2^248122847988 is an apocalyptic number.

It is an amenable number.

248122847988 is an abundant number, since it is smaller than the sum of its proper divisors (379095028752).

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

248122847988 is a wasteful number, since it uses less digits than its factorization.

248122847988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202816 (or 202811 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 63.

The spelling of 248122847988 in words is "two hundred forty-eight billion, one hundred twenty-two million, eight hundred forty-seven thousand, nine hundred eighty-eight".