47445772834 has 8 divisors (see below), whose sum is σ = 71170023708. Its totient is φ = 23722431600.

The previous prime is 47445772763. The next prime is 47445772873. The reversal of 47445772834 is 43827754474.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46128300625 + 1317472209 = 214775^2 + 36297^2 .

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

It is a super-2 number, since 2×47445772834² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77157 + ... + 317560.

Almost surely, 2^47445772834 is an apocalyptic number.

47445772834 is a deficient number, since it is larger than the sum of its proper divisors (23724250874).

47445772834 is a wasteful number, since it uses less digits than its factorization.

47445772834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454820.

The product of its digits is 21073920, while the sum is 55.

The spelling of 47445772834 in words is "forty-seven billion, four hundred forty-five million, seven hundred seventy-two thousand, eight hundred thirty-four".