47108639775 has 12 divisors (see below), whose sum is σ = 77886284552. Its totient is φ = 25124607840.

The previous prime is 47108639761. The next prime is 47108639801. The reversal of 47108639775 is 57793680174.

It is a happy number.

It is not a de Polignac number, because 47108639775 - 2¹⁶ = 47108574239 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 314057524 + ... + 314057673.

Almost surely, 2^47108639775 is an apocalyptic number.

47108639775 is a deficient number, since it is larger than the sum of its proper divisors (30777644777).

47108639775 is a wasteful number, since it uses less digits than its factorization.

47108639775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628115210 (or 628115205 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 57.

The spelling of 47108639775 in words is "forty-seven billion, one hundred eight million, six hundred thirty-nine thousand, seven hundred seventy-five".