748777161 has 12 divisors (see below), whose sum is σ = 1097381936. Its totient is φ = 453804120.

The previous prime is 748777151. The next prime is 748777171. The reversal of 748777161 is 161777847.

748777161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (748777151) and next prime (748777171).

It is not a de Polignac number, because 748777161 - 2⁶ = 748777097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 748777161.

It is not an unprimeable number, because it can be changed into a prime (748777151) 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, 1031011 + ... + 1031736.

Almost surely, 2^748777161 is an apocalyptic number.

It is an amenable number.

748777161 is a deficient number, since it is larger than the sum of its proper divisors (348604775).

748777161 is a wasteful number, since it uses less digits than its factorization.

748777161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062772 (or 2062761 counting only the distinct ones).

The product of its digits is 460992, while the sum is 48.

The square root of 748777161 is about 27363.7928840283. The cubic root of 748777161 is about 908.0662398227.

It can be divided in two parts, 7487 and 77161, that added together give a palindrome (84648).

The spelling of 748777161 in words is "seven hundred forty-eight million, seven hundred seventy-seven thousand, one hundred sixty-one".