47929807 has 4 divisors (see below), whose sum is σ = 48369640. Its totient is φ = 47489976.

The previous prime is 47929753. The next prime is 47929811. The reversal of 47929807 is 70892974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70892974 = 2 ⋅35446487.

It is a cyclic number.

It is not a de Polignac number, because 47929807 - 2¹⁵ = 47897039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47929867) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 219753 + ... + 219970.

It is an arithmetic number, because the mean of its divisors is an integer number (12092410).

Almost surely, 2^47929807 is an apocalyptic number.

47929807 is a deficient number, since it is larger than the sum of its proper divisors (439833).

47929807 is a wasteful number, since it uses less digits than its factorization.

47929807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439832.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 47929807 is about 6923.1356335117. The cubic root of 47929807 is about 363.2468805521.

The spelling of 47929807 in words is "forty-seven million, nine hundred twenty-nine thousand, eight hundred seven".