47688400946 has 8 divisors (see below), whose sum is σ = 71590432620. Its totient is φ = 23824923408.

The previous prime is 47688400943. The next prime is 47688400957. The reversal of 47688400946 is 64900488674.

It can be written as a sum of positive squares in 2 ways, for example, as 39396295225 + 8292105721 = 198485^2 + 91061^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 47688400891 and 47688400900.

It is not an unprimeable number, because it can be changed into a prime (47688400943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9635441 + ... + 9640388.

Almost surely, 2^47688400946 is an apocalyptic number.

47688400946 is a deficient number, since it is larger than the sum of its proper divisors (23902031674).

47688400946 is a wasteful number, since it uses less digits than its factorization.

47688400946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19277068.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 47688400946 in words is "forty-seven billion, six hundred eighty-eight million, four hundred thousand, nine hundred forty-six".