47774861 has 8 divisors (see below), whose sum is σ = 49612800. Its totient is φ = 45949680.

The previous prime is 47774833. The next prime is 47774863. The reversal of 47774861 is 16847774.

It is a happy number.

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 47774861 - 2¹⁰ = 47773837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47774863) 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, 4820 + ... + 10898.

It is an arithmetic number, because the mean of its divisors is an integer number (6201600).

Almost surely, 2^47774861 is an apocalyptic number.

It is an amenable number.

47774861 is a deficient number, since it is larger than the sum of its proper divisors (1837939).

47774861 is a wasteful number, since it uses less digits than its factorization.

47774861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6379.

The product of its digits is 263424, while the sum is 44.

The square root of 47774861 is about 6911.9361252836. The cubic root of 47774861 is about 362.8550268913.

The spelling of 47774861 in words is "forty-seven million, seven hundred seventy-four thousand, eight hundred sixty-one".