47287289457 has 24 divisors (see below), whose sum is σ = 71687083104. Its totient is φ = 31145028768.

The previous prime is 47287289449. The next prime is 47287289473. The reversal of 47287289457 is 75498278274.

47287289457 is a `hidden beast` number, since 472 + 8 + 7 + 28 + 94 + 57 = 666.

It is not a de Polignac number, because 47287289457 - 2³ = 47287289449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47287289394 and 47287289403.

It is not an unprimeable number, because it can be changed into a prime (47287289957) 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, 1152108 + ... + 1192445.

It is an arithmetic number, because the mean of its divisors is an integer number (2986961796).

Almost surely, 2^47287289457 is an apocalyptic number.

It is an amenable number.

47287289457 is a deficient number, since it is larger than the sum of its proper divisors (24399793647).

47287289457 is an equidigital number, since it uses as much as digits as its factorization.

47287289457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344651 (or 2344639 counting only the distinct ones).

The product of its digits is 63221760, while the sum is 63.

The spelling of 47287289457 in words is "forty-seven billion, two hundred eighty-seven million, two hundred eighty-nine thousand, four hundred fifty-seven".