248984122878 has 12 divisors (see below), whose sum is σ = 539465599608. Its totient is φ = 82994707620.

The previous prime is 248984122831. The next prime is 248984122883. The reversal of 248984122878 is 878221489842.

248984122878 is a `hidden beast` number, since 2 + 48 + 98 + 412 + 28 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6916225618 + ... + 6916225653.

It is an arithmetic number, because the mean of its divisors is an integer number (44955466634).

Almost surely, 2^248984122878 is an apocalyptic number.

248984122878 is an abundant number, since it is smaller than the sum of its proper divisors (290481476730).

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

248984122878 is a wasteful number, since it uses less digits than its factorization.

248984122878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13832451279 (or 13832451276 counting only the distinct ones).

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

The spelling of 248984122878 in words is "two hundred forty-eight billion, nine hundred eighty-four million, one hundred twenty-two thousand, eight hundred seventy-eight".