47618979365768 has 16 divisors (see below), whose sum is σ = 89285660180880. Its totient is φ = 23809469984208.

The previous prime is 47618979365677. The next prime is 47618979365773. The reversal of 47618979365768 is 86756397981674.

It is a self number, because there is not a number n which added to its sum of digits gives 47618979365768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15639155 + ... + 18434237.

It is an arithmetic number, because the mean of its divisors is an integer number (5580353761305).

Almost surely, 2^{47618979365768} is an apocalyptic number.

It is an amenable number.

47618979365768 is a deficient number, since it is larger than the sum of its proper divisors (41666680815112).

47618979365768 is a wasteful number, since it uses less digits than its factorization.

47618979365768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924676 (or 4924672 counting only the distinct ones).

The product of its digits is 23044331520, while the sum is 86.

The spelling of 47618979365768 in words is "forty-seven trillion, six hundred eighteen billion, nine hundred seventy-nine million, three hundred sixty-five thousand, seven hundred sixty-eight".