47982837825 has 36 divisors (see below), whose sum is σ = 92553568380. Its totient is φ = 23622318720.

The previous prime is 47982837817. The next prime is 47982837827. The reversal of 47982837825 is 52873828974.

47982837825 is a `hidden beast` number, since 479 + 8 + 2 + 83 + 7 + 82 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 14584909824 + 33397928001 = 120768^2 + 182751^2 .

It is not a de Polignac number, because 47982837825 - 2³ = 47982837817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47982837827) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8199270 + ... + 8205119.

It is an arithmetic number, because the mean of its divisors is an integer number (2570932455).

Almost surely, 2^47982837825 is an apocalyptic number.

47982837825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47982837825 is a deficient number, since it is larger than the sum of its proper divisors (44570730555).

47982837825 is a wasteful number, since it uses less digits than its factorization.

47982837825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16404418 (or 16404410 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

It can be divided in two parts, 479828 and 37825, that added together give a triangular number (517653 = T₁₀₁₇).

The spelling of 47982837825 in words is "forty-seven billion, nine hundred eighty-two million, eight hundred thirty-seven thousand, eight hundred twenty-five".