248894443897 has 32 divisors (see below), whose sum is σ = 289895531904. Its totient is φ = 211180569600.

The previous prime is 248894443877. The next prime is 248894443921. The reversal of 248894443897 is 798344498842.

It is not a de Polignac number, because 248894443897 - 2⁷ = 248894443769 is a prime.

It is a super-3 number, since 3×248894443897³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (248894443807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45978163 + ... + 45983575.

It is an arithmetic number, because the mean of its divisors is an integer number (9059235372).

Almost surely, 2^248894443897 is an apocalyptic number.

It is an amenable number.

248894443897 is a deficient number, since it is larger than the sum of its proper divisors (41001088007).

248894443897 is a wasteful number, since it uses less digits than its factorization.

248894443897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7449.

The product of its digits is 445906944, while the sum is 70.

Subtracting 248894443897 from its reverse (798344498842), we obtain a palindrome (549450054945).

The spelling of 248894443897 in words is "two hundred forty-eight billion, eight hundred ninety-four million, four hundred forty-three thousand, eight hundred ninety-seven".