47621987763 has 32 divisors (see below), whose sum is σ = 74148480000. Its totient is φ = 26622400896.

The previous prime is 47621987759. The next prime is 47621987773. The reversal of 47621987763 is 36778912674.

It is not a de Polignac number, because 47621987763 - 2² = 47621987759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47621987697 and 47621987706.

It is not an unprimeable number, because it can be changed into a prime (47621987773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327138 + ... + 449736.

It is an arithmetic number, because the mean of its divisors is an integer number (2317140000).

Almost surely, 2^47621987763 is an apocalyptic number.

47621987763 is a deficient number, since it is larger than the sum of its proper divisors (26526492237).

47621987763 is a wasteful number, since it uses less digits than its factorization.

47621987763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123011.

The product of its digits is 21337344, while the sum is 60.

The spelling of 47621987763 in words is "forty-seven billion, six hundred twenty-one million, nine hundred eighty-seven thousand, seven hundred sixty-three".