47779563 has 8 divisors (see below), whose sum is σ = 68606608. Its totient is φ = 29402784.

The previous prime is 47779549. The next prime is 47779573. The reversal of 47779563 is 36597774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47779563 - 2¹³ = 47771371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47779573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612520 + ... + 612597.

It is an arithmetic number, because the mean of its divisors is an integer number (8575826).

Almost surely, 2^47779563 is an apocalyptic number.

47779563 is a deficient number, since it is larger than the sum of its proper divisors (20827045).

47779563 is a wasteful number, since it uses less digits than its factorization.

47779563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225133.

The product of its digits is 1111320, while the sum is 48.

The square root of 47779563 is about 6912.2762531600. The cubic root of 47779563 is about 362.8669305601.

The spelling of 47779563 in words is "forty-seven million, seven hundred seventy-nine thousand, five hundred sixty-three".