47848257 has 24 divisors (see below), whose sum is σ = 72893184. Its totient is φ = 30184704.

The previous prime is 47848253. The next prime is 47848277. The reversal of 47848257 is 75284874.

It is not a de Polignac number, because 47848257 - 2² = 47848253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47848253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18888 + ... + 21270.

It is an arithmetic number, because the mean of its divisors is an integer number (3037216).

Almost surely, 2^47848257 is an apocalyptic number.

It is an amenable number.

47848257 is a deficient number, since it is larger than the sum of its proper divisors (25044927).

47848257 is a wasteful number, since it uses less digits than its factorization.

47848257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509 (or 2506 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 47848257 is about 6917.2434538622. The cubic root of 47848257 is about 363.0407485618.

It can be divided in two parts, 4784 and 8257, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 47848257 in words is "forty-seven million, eight hundred forty-eight thousand, two hundred fifty-seven".