748666847 has 16 divisors (see below), whose sum is σ = 782387424. Its totient is φ = 715776000.

The previous prime is 748666811. The next prime is 748666873.

748666847 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 748666847 - 2¹⁰ = 748665823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 748666792 and 748666801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748668847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167647 + ... + 1168287.

It is an arithmetic number, because the mean of its divisors is an integer number (48899214).

Almost surely, 2^748666847 is an apocalyptic number.

748666847 is a deficient number, since it is larger than the sum of its proper divisors (33720577).

748666847 is a wasteful number, since it uses less digits than its factorization.

748666847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210.

The product of its digits is 10838016, while the sum is 56.

The square root of 748666847 is about 27361.7771169930. Note that the first 3 decimals coincide. The cubic root of 748666847 is about 908.0216438494.

The spelling of 748666847 in words is "seven hundred forty-eight million, six hundred sixty-six thousand, eight hundred forty-seven".