47857463 has 4 divisors (see below), whose sum is σ = 48760488. Its totient is φ = 46954440.

The previous prime is 47857441. The next prime is 47857471. The reversal of 47857463 is 36475874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36475874 = 2 ⋅18237937.

It is a cyclic number.

It is not a de Polignac number, because 47857463 - 2⁸ = 47857207 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 (47857423) 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, 451433 + ... + 451538.

It is an arithmetic number, because the mean of its divisors is an integer number (12190122).

Almost surely, 2^47857463 is an apocalyptic number.

47857463 is a deficient number, since it is larger than the sum of its proper divisors (903025).

47857463 is an equidigital number, since it uses as much as digits as its factorization.

47857463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903024.

The product of its digits is 564480, while the sum is 44.

The square root of 47857463 is about 6917.9088603421. The cubic root of 47857463 is about 363.0640300703.

The spelling of 47857463 in words is "forty-seven million, eight hundred fifty-seven thousand, four hundred sixty-three".