47779201 has 4 divisors (see below), whose sum is σ = 48065472. Its totient is φ = 47492932.

The previous prime is 47779189. The next prime is 47779219. The reversal of 47779201 is 10297774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47779201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47779261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142885 + ... + 143218.

It is an arithmetic number, because the mean of its divisors is an integer number (12016368).

Almost surely, 2^47779201 is an apocalyptic number.

It is an amenable number.

47779201 is a deficient number, since it is larger than the sum of its proper divisors (286271).

47779201 is a wasteful number, since it uses less digits than its factorization.

47779201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286270.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 47779201 is about 6912.2500678144. The cubic root of 47779201 is about 362.8660141420.

The spelling of 47779201 in words is "forty-seven million, seven hundred seventy-nine thousand, two hundred one".