47138017275 has 36 divisors (see below), whose sum is σ = 84506004960. Its totient is φ = 25117473600.

The previous prime is 47138017273. The next prime is 47138017291. The reversal of 47138017275 is 57271083174.

47138017275 is a `hidden beast` number, since 471 + 3 + 8 + 0 + 172 + 7 + 5 = 666.

It is not a de Polignac number, because 47138017275 - 2¹ = 47138017273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 47138017275.

It is not an unprimeable number, because it can be changed into a prime (47138017273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 155070 + ... + 343980.

Almost surely, 2^47138017275 is an apocalyptic number.

47138017275 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47138017275 is a deficient number, since it is larger than the sum of its proper divisors (37367987685).

47138017275 is a wasteful number, since it uses less digits than its factorization.

47138017275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190036 (or 190028 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 47138017275 in words is "forty-seven billion, one hundred thirty-eight million, seventeen thousand, two hundred seventy-five".