47063777 has 4 divisors (see below), whose sum is σ = 48211716. Its totient is φ = 45915840.

The previous prime is 47063767. The next prime is 47063789. The reversal of 47063777 is 77736074.

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 20757136 + 26306641 = 4556^2 + 5129^2 .

It is a cyclic number.

It is not a de Polignac number, because 47063777 - 2⁸ = 47063521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1147897 = 47063777 / (4 + 7 + 0 + 6 + 3 + 7 + 7 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47063767) 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, 573908 + ... + 573989.

It is an arithmetic number, because the mean of its divisors is an integer number (12052929).

Almost surely, 2^47063777 is an apocalyptic number.

It is an amenable number.

47063777 is a deficient number, since it is larger than the sum of its proper divisors (1147939).

47063777 is a wasteful number, since it uses less digits than its factorization.

47063777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147938.

The product of its (nonzero) digits is 172872, while the sum is 41.

The square root of 47063777 is about 6860.3044393088. The cubic root of 47063777 is about 361.0457683497.

The spelling of 47063777 in words is "forty-seven million, sixty-three thousand, seven hundred seventy-seven".