47656765 has 32 divisors (see below), whose sum is σ = 64705536. Its totient is φ = 33454080.

The previous prime is 47656727. The next prime is 47656783. The reversal of 47656765 is 56765674.

It is not a de Polignac number, because 47656765 - 2¹⁵ = 47623997 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 31 ways as a sum of consecutive naturals, for example, 134829 + ... + 135181.

It is an arithmetic number, because the mean of its divisors is an integer number (2022048).

Almost surely, 2^47656765 is an apocalyptic number.

It is an amenable number.

47656765 is a deficient number, since it is larger than the sum of its proper divisors (17048771).

47656765 is a wasteful number, since it uses less digits than its factorization.

47656765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its digits is 1058400, while the sum is 46.

The square root of 47656765 is about 6903.3879363686. The cubic root of 47656765 is about 362.5557964054. Note that the first 3 decimals are identical.

The spelling of 47656765 in words is "forty-seven million, six hundred fifty-six thousand, seven hundred sixty-five".