248005811057678 has 8 divisors (see below), whose sum is σ = 372009897572040. Its totient is φ = 124002511867000.

The previous prime is 248005811057671. The next prime is 248005811057707. The reversal of 248005811057678 is 876750118500842.

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

It is a self number, because there is not a number n which added to its sum of digits gives 248005811057678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248005811057671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196042793 + ... + 197303796.

It is an arithmetic number, because the mean of its divisors is an integer number (46501237196505).

Almost surely, 2^{248005811057678} is an apocalyptic number.

248005811057678 is a deficient number, since it is larger than the sum of its proper divisors (124004086514362).

248005811057678 is a wasteful number, since it uses less digits than its factorization.

248005811057678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393661842.

The product of its (nonzero) digits is 30105600, while the sum is 62.

The spelling of 248005811057678 in words is "two hundred forty-eight trillion, five billion, eight hundred eleven million, fifty-seven thousand, six hundred seventy-eight".