47378824123546 has 4 divisors (see below), whose sum is σ = 71068236185322. Its totient is φ = 23689412061772.

The previous prime is 47378824123531. The next prime is 47378824123583. The reversal of 47378824123546 is 64532142887374.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46175952593521 + 1202871530025 = 6795289^2 + 1096755^2 .

It is a super-2 number, since 2×47378824123546² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11844706030885 + ... + 11844706030888.

Almost surely, 2^{47378824123546} is an apocalyptic number.

47378824123546 is a deficient number, since it is larger than the sum of its proper divisors (23689412061776).

47378824123546 is a wasteful number, since it uses less digits than its factorization.

47378824123546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23689412061775.

The product of its digits is 216760320, while the sum is 64.

The spelling of 47378824123546 in words is "forty-seven trillion, three hundred seventy-eight billion, eight hundred twenty-four million, one hundred twenty-three thousand, five hundred forty-six".