248172844688 has 20 divisors (see below), whose sum is σ = 480890545068. Its totient is φ = 124072058880.

The previous prime is 248172844669. The next prime is 248172844691. The reversal of 248172844688 is 886448271842.

It can be written as a sum of positive squares in 2 ways, for example, as 182937554944 + 65235289744 = 427712^2 + 255412^2 .

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 248172844688.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754481 + ... + 1032272.

Almost surely, 2^248172844688 is an apocalyptic number.

It is an amenable number.

248172844688 is a deficient number, since it is larger than the sum of its proper divisors (232717700380).

248172844688 is a wasteful number, since it uses less digits than its factorization.

248172844688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795442 (or 1795436 counting only the distinct ones).

The product of its digits is 44040192, while the sum is 62.

The spelling of 248172844688 in words is "two hundred forty-eight billion, one hundred seventy-two million, eight hundred forty-four thousand, six hundred eighty-eight".