248638886397 has 24 divisors (see below), whose sum is σ = 391810543488. Its totient is φ = 150684105600.

The previous prime is 248638886323. The next prime is 248638886443. The reversal of 248638886397 is 793688836842.

It is a happy number.

248638886397 is a `hidden beast` number, since 2 + 4 + 86 + 3 + 88 + 86 + 397 = 666.

248638886397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 248638886397 - 2¹⁹ = 248638362109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248638876397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4051413 + ... + 4112325.

It is an arithmetic number, because the mean of its divisors is an integer number (16325439312).

Almost surely, 2^248638886397 is an apocalyptic number.

It is an amenable number.

248638886397 is a deficient number, since it is larger than the sum of its proper divisors (143171657091).

248638886397 is a wasteful number, since it uses less digits than its factorization.

248638886397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102161 (or 102158 counting only the distinct ones).

The product of its digits is 668860416, while the sum is 72.

It can be divided in two parts, 2486 and 38886397, that added together give a palindrome (38888883).

The spelling of 248638886397 in words is "two hundred forty-eight billion, six hundred thirty-eight million, eight hundred eighty-six thousand, three hundred ninety-seven".