47656767 has 4 divisors (see below), whose sum is σ = 63542360. Its totient is φ = 31771176.

The previous prime is 47656727. The next prime is 47656783. The reversal of 47656767 is 76765674.

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

It is not a de Polignac number, because 47656767 - 2⁷ = 47656639 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 not an unprimeable number, because it can be changed into a prime (47656717) 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, 7942792 + ... + 7942797.

It is an arithmetic number, because the mean of its divisors is an integer number (15885590).

Almost surely, 2^47656767 is an apocalyptic number.

47656767 is a deficient number, since it is larger than the sum of its proper divisors (15885593).

47656767 is a wasteful number, since it uses less digits than its factorization.

47656767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15885592.

The product of its digits is 1481760, while the sum is 48.

The square root of 47656767 is about 6903.3880812250. The cubic root of 47656767 is about 362.5558014771. Note that the first 3 decimals are identical.

The spelling of 47656767 in words is "forty-seven million, six hundred fifty-six thousand, seven hundred sixty-seven".