47205677 has 4 divisors (see below), whose sum is σ = 47450460. Its totient is φ = 46960896.

The previous prime is 47205667. The next prime is 47205703. The reversal of 47205677 is 77650274.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29278921 + 17926756 = 5411^2 + 4234^2 .

It is a cyclic number.

It is not a de Polignac number, because 47205677 - 2¹⁶ = 47140141 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 47205677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47205667) 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, 122102 + ... + 122487.

It is an arithmetic number, because the mean of its divisors is an integer number (11862615).

Almost surely, 2^47205677 is an apocalyptic number.

It is an amenable number.

47205677 is a deficient number, since it is larger than the sum of its proper divisors (244783).

47205677 is a wasteful number, since it uses less digits than its factorization.

47205677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244782.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 47205677 is about 6870.6387621531. The cubic root of 47205677 is about 361.4082622132.

The spelling of 47205677 in words is "forty-seven million, two hundred five thousand, six hundred seventy-seven".