248127799609 has 8 divisors (see below), whose sum is σ = 256734641160. Its totient is φ = 239524338816.

The previous prime is 248127799607. The next prime is 248127799627. The reversal of 248127799609 is 906997721842.

It can be written as a sum of positive squares in 4 ways, for example, as 83431434025 + 164696365584 = 288845^2 + 405828^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248127799609 - 2¹ = 248127799607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248127799607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695404 + ... + 989869.

It is an arithmetic number, because the mean of its divisors is an integer number (32091830145).

Almost surely, 2^248127799609 is an apocalyptic number.

248127799609 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

248127799609 is a deficient number, since it is larger than the sum of its proper divisors (8606841551).

248127799609 is a wasteful number, since it uses less digits than its factorization.

248127799609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690379.

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 248127799609 in words is "two hundred forty-eight billion, one hundred twenty-seven million, seven hundred ninety-nine thousand, six hundred nine".