47871436850668 has 48 divisors (see below), whose sum is σ = 86193890266176. Its totient is φ = 23249822653440.

The previous prime is 47871436850599. The next prime is 47871436850773. The reversal of 47871436850668 is 86605863417874.

It is a super-2 number, since 2×47871436850668² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47871436850668.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75293830 + ... + 75926962.

It is an arithmetic number, because the mean of its divisors is an integer number (1795706047212).

Almost surely, 2^{47871436850668} is an apocalyptic number.

It is an amenable number.

47871436850668 is a deficient number, since it is larger than the sum of its proper divisors (38322453415508).

47871436850668 is a wasteful number, since it uses less digits than its factorization.

47871436850668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635194 (or 635192 counting only the distinct ones).

The product of its (nonzero) digits is 1300561920, while the sum is 73.

The spelling of 47871436850668 in words is "forty-seven trillion, eight hundred seventy-one billion, four hundred thirty-six million, eight hundred fifty thousand, six hundred sixty-eight".