47853865 has 8 divisors (see below), whose sum is σ = 57486528. Its totient is φ = 38241840.

The previous prime is 47853853. The next prime is 47853887. The reversal of 47853865 is 56835874.

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

It is not a de Polignac number, because 47853865 - 2¹³ = 47845673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514 + ... + 9796.

It is an arithmetic number, because the mean of its divisors is an integer number (7185816).

Almost surely, 2^47853865 is an apocalyptic number.

It is an amenable number.

47853865 is a deficient number, since it is larger than the sum of its proper divisors (9632663).

47853865 is a wasteful number, since it uses less digits than its factorization.

47853865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10319.

The product of its digits is 806400, while the sum is 46.

The square root of 47853865 is about 6917.6488057721. The cubic root of 47853865 is about 363.0549312657.

Subtracting 47853865 from its reverse (56835874), we obtain a square (8982009 = 2997²).

The spelling of 47853865 in words is "forty-seven million, eight hundred fifty-three thousand, eight hundred sixty-five".