748776215564 has 12 divisors (see below), whose sum is σ = 1411155175584. Its totient is φ = 345589022544.

The previous prime is 748776215531. The next prime is 748776215567. The reversal of 748776215564 is 465512677847.

It is a junction number, because it is equal to n+sod(n) for n = 748776215497 and 748776215506.

It is not an unprimeable number, because it can be changed into a prime (748776215567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7199771252 + ... + 7199771355.

It is an arithmetic number, because the mean of its divisors is an integer number (117596264632).

Almost surely, 2^748776215564 is an apocalyptic number.

It is an amenable number.

748776215564 is a deficient number, since it is larger than the sum of its proper divisors (662378960020).

748776215564 is a wasteful number, since it uses less digits than its factorization.

748776215564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14399542624 (or 14399542622 counting only the distinct ones).

The product of its digits is 79027200, while the sum is 62.

The spelling of 748776215564 in words is "seven hundred forty-eight billion, seven hundred seventy-six million, two hundred fifteen thousand, five hundred sixty-four".