47785817522 has 8 divisors (see below), whose sum is σ = 72484105500. Its totient is φ = 23624449024.

The previous prime is 47785817413. The next prime is 47785817567. The reversal of 47785817522 is 22571858774.

It can be written as a sum of positive squares in 2 ways, for example, as 45946351201 + 1839466321 = 214351^2 + 42889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134229647 + ... + 134230002.

Almost surely, 2^47785817522 is an apocalyptic number.

47785817522 is a deficient number, since it is larger than the sum of its proper divisors (24698287978).

47785817522 is a wasteful number, since it uses less digits than its factorization.

47785817522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268459740.

The product of its digits is 8780800, while the sum is 56.

The spelling of 47785817522 in words is "forty-seven billion, seven hundred eighty-five million, eight hundred seventeen thousand, five hundred twenty-two".