479780547 has 4 divisors (see below), whose sum is σ = 639707400. Its totient is φ = 319853696.

The previous prime is 479780537. The next prime is 479780549. The reversal of 479780547 is 745087974.

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

It is a cyclic number.

It is not a de Polignac number, because 479780547 - 2¹¹ = 479778499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479780547.

It is not an unprimeable number, because it can be changed into a prime (479780549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79963422 + ... + 79963427.

It is an arithmetic number, because the mean of its divisors is an integer number (159926850).

Almost surely, 2^479780547 is an apocalyptic number.

479780547 is a deficient number, since it is larger than the sum of its proper divisors (159926853).

479780547 is a wasteful number, since it uses less digits than its factorization.

479780547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159926852.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 479780547 is about 21903.8934210336. The cubic root of 479780547 is about 782.8541865100.

The spelling of 479780547 in words is "four hundred seventy-nine million, seven hundred eighty thousand, five hundred forty-seven".