9748663457278 has 8 divisors (see below), whose sum is σ = 14623660629072. Its totient is φ = 4874109914256.

The previous prime is 9748663457249. The next prime is 9748663457279. The reversal of 9748663457278 is 8727543668479.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9748663457279) 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, 110852250 + ... + 110940157.

It is an arithmetic number, because the mean of its divisors is an integer number (1827957578634).

Almost surely, 2^{9748663457278} is an apocalyptic number.

9748663457278 is a deficient number, since it is larger than the sum of its proper divisors (4874997171794).

9748663457278 is a wasteful number, since it uses less digits than its factorization.

9748663457278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221814386.

The product of its digits is 3413975040, while the sum is 76.

The spelling of 9748663457278 in words is "nine trillion, seven hundred forty-eight billion, six hundred sixty-three million, four hundred fifty-seven thousand, two hundred seventy-eight".