47779199 has 8 divisors (see below), whose sum is σ = 52075632. Its totient is φ = 43571520.

The previous prime is 47779189. The next prime is 47779219. The reversal of 47779199 is 99197774.

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

It is a cyclic number.

It is not a de Polignac number, because 47779199 - 2⁴ = 47779183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47779199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47779159) 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, 21062 + ... + 23219.

It is an arithmetic number, because the mean of its divisors is an integer number (6509454).

Almost surely, 2^47779199 is an apocalyptic number.

47779199 is a deficient number, since it is larger than the sum of its proper divisors (4296433).

47779199 is a wasteful number, since it uses less digits than its factorization.

47779199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44377.

The product of its digits is 1000188, while the sum is 53.

The square root of 47779199 is about 6912.2499231437. The cubic root of 47779199 is about 362.8660090789.

The spelling of 47779199 in words is "forty-seven million, seven hundred seventy-nine thousand, one hundred ninety-nine".