248448997957 has 8 divisors (see below), whose sum is σ = 250453969920. Its totient is φ = 246447134400.

The previous prime is 248448997949. The next prime is 248448998003. The reversal of 248448997957 is 759799844842.

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 248448997957 - 2³ = 248448997949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248448997457) 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, 616468 + ... + 936445.

It is an arithmetic number, because the mean of its divisors is an integer number (31306746240).

Almost surely, 2^248448997957 is an apocalyptic number.

It is an amenable number.

248448997957 is a deficient number, since it is larger than the sum of its proper divisors (2004971963).

248448997957 is a wasteful number, since it uses less digits than its factorization.

248448997957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554203.

The product of its digits is 1463132160, while the sum is 76.

The spelling of 248448997957 in words is "two hundred forty-eight billion, four hundred forty-eight million, nine hundred ninety-seven thousand, nine hundred fifty-seven".