248871291860 has 12 divisors (see below), whose sum is σ = 522629712948. Its totient is φ = 99548516736.

The previous prime is 248871291839. The next prime is 248871291947. The reversal of 248871291860 is 68192178842.

It can be written as a sum of positive squares in 2 ways, for example, as 107257560004 + 141613731856 = 327502^2 + 376316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 248871291796 and 248871291805.

It is a congruent number.

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, 6221782277 + ... + 6221782316.

It is an arithmetic number, because the mean of its divisors is an integer number (43552476079).

Almost surely, 2^248871291860 is an apocalyptic number.

248871291860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248871291860 is an abundant number, since it is smaller than the sum of its proper divisors (273758421088).

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

248871291860 is a wasteful number, since it uses less digits than its factorization.

248871291860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12443564602 (or 12443564600 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 248871291860 in words is "two hundred forty-eight billion, eight hundred seventy-one million, two hundred ninety-one thousand, eight hundred sixty".