748817178761 has 12 divisors (see below), whose sum is σ = 755701578060. Its totient is φ = 741994955520.

The previous prime is 748817178749. The next prime is 748817178817. The reversal of 748817178761 is 167871718847.

748817178761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 341429862400 + 407387316361 = 584320^2 + 638269^2 .

It is not a de Polignac number, because 748817178761 - 2¹⁴ = 748817162377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748817178961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85662851 + ... + 85671591.

It is an arithmetic number, because the mean of its divisors is an integer number (62975131505).

Almost surely, 2^748817178761 is an apocalyptic number.

It is an amenable number.

748817178761 is a deficient number, since it is larger than the sum of its proper divisors (6884399299).

748817178761 is an equidigital number, since it uses as much as digits as its factorization.

748817178761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15676 (or 15563 counting only the distinct ones).

The product of its digits is 29503488, while the sum is 65.

The spelling of 748817178761 in words is "seven hundred forty-eight billion, eight hundred seventeen million, one hundred seventy-eight thousand, seven hundred sixty-one".