748477911 has 4 divisors (see below), whose sum is σ = 997970552. Its totient is φ = 498985272.

The previous prime is 748477903. The next prime is 748477913. The reversal of 748477911 is 119774847.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 748477911 - 2³ = 748477903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748477913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124746316 + ... + 124746321.

It is an arithmetic number, because the mean of its divisors is an integer number (249492638).

Almost surely, 2^748477911 is an apocalyptic number.

748477911 is a deficient number, since it is larger than the sum of its proper divisors (249492641).

748477911 is a wasteful number, since it uses less digits than its factorization.

748477911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249492640.

The product of its digits is 395136, while the sum is 48.

The square root of 748477911 is about 27358.3243456174. The cubic root of 748477911 is about 907.9452536581.

The spelling of 748477911 in words is "seven hundred forty-eight million, four hundred seventy-seven thousand, nine hundred eleven".