47718746628 has 36 divisors (see below), whose sum is σ = 129522313872. Its totient is φ = 13633927440.

The previous prime is 47718746597. The next prime is 47718746651. The reversal of 47718746628 is 82664781774.

It is a super-2 number, since 2×47718746628² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40576578 + ... + 40577753.

It is an arithmetic number, because the mean of its divisors is an integer number (3597842052).

Almost surely, 2^47718746628 is an apocalyptic number.

It is an amenable number.

47718746628 is an abundant number, since it is smaller than the sum of its proper divisors (81803567244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47718746628 is a wasteful number, since it uses less digits than its factorization.

47718746628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81154352 (or 81154343 counting only the distinct ones).

The product of its digits is 25288704, while the sum is 60.

The spelling of 47718746628 in words is "forty-seven billion, seven hundred eighteen million, seven hundred forty-six thousand, six hundred twenty-eight".