4749776779475 has 48 divisors (see below), whose sum is σ = 7249656617280. Its totient is φ = 3006134208000.

The previous prime is 4749776779471. The next prime is 4749776779487. The reversal of 4749776779475 is 5749776779474.

It is a happy number.

It is not a de Polignac number, because 4749776779475 - 2² = 4749776779471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4749776779393 and 4749776779402.

It is not an unprimeable number, because it can be changed into a prime (4749776779471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22419341 + ... + 22630209.

It is an arithmetic number, because the mean of its divisors is an integer number (151034512860).

Almost surely, 2^{4749776779475} is an apocalyptic number.

4749776779475 is a deficient number, since it is larger than the sum of its proper divisors (2499879837805).

4749776779475 is a wasteful number, since it uses less digits than its factorization.

4749776779475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220800 (or 220795 counting only the distinct ones).

The product of its digits is 18296772480, while the sum is 83.

Subtracting 4749776779475 from its reverse (5749776779474), we obtain a palindrome (999999999999).

The spelling of 4749776779475 in words is "four trillion, seven hundred forty-nine billion, seven hundred seventy-six million, seven hundred seventy-nine thousand, four hundred seventy-five".