47782655 has 8 divisors (see below), whose sum is σ = 57395184. Its totient is φ = 38188800.

The previous prime is 47782649. The next prime is 47782673. The reversal of 47782655 is 55628774.

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

It is not a de Polignac number, because 47782655 - 2⁴ = 47782639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775 + ... + 9935.

It is an arithmetic number, because the mean of its divisors is an integer number (7174398).

Almost surely, 2^47782655 is an apocalyptic number.

47782655 is a deficient number, since it is larger than the sum of its proper divisors (9612529).

47782655 is a wasteful number, since it uses less digits than its factorization.

47782655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337.

The product of its digits is 470400, while the sum is 44.

The square root of 47782655 is about 6912.4999095841. The cubic root of 47782655 is about 362.8747578979.

The spelling of 47782655 in words is "forty-seven million, seven hundred eighty-two thousand, six hundred fifty-five".