479771651 has 4 divisors (see below), whose sum is σ = 500631312. Its totient is φ = 458911992.

The previous prime is 479771639. The next prime is 479771659. The reversal of 479771651 is 156177974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156177974 = 2 ⋅78088987.

It is a cyclic number.

It is not a de Polignac number, because 479771651 - 2⁶ = 479771587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 479771596 and 479771605.

It is not an unprimeable number, because it can be changed into a prime (479771659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10429796 + ... + 10429841.

It is an arithmetic number, because the mean of its divisors is an integer number (125157828).

Almost surely, 2^479771651 is an apocalyptic number.

479771651 is a deficient number, since it is larger than the sum of its proper divisors (20859661).

479771651 is a wasteful number, since it uses less digits than its factorization.

479771651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20859660.

The product of its digits is 370440, while the sum is 47.

The square root of 479771651 is about 21903.6903511714. The cubic root of 479771651 is about 782.8493479687.

The spelling of 479771651 in words is "four hundred seventy-nine million, seven hundred seventy-one thousand, six hundred fifty-one".