47663615805 has 64 divisors (see below), whose sum is σ = 84460320000. Its totient is φ = 22807775232.

The previous prime is 47663615803. The next prime is 47663615807. The reversal of 47663615805 is 50851636674.

It is an interprime number because it is at equal distance from previous prime (47663615803) and next prime (47663615807).

It is not a de Polignac number, because 47663615805 - 2¹ = 47663615803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47663615801) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1000671 + ... + 1047219.

It is an arithmetic number, because the mean of its divisors is an integer number (1319692500).

Almost surely, 2^47663615805 is an apocalyptic number.

It is an amenable number.

47663615805 is a deficient number, since it is larger than the sum of its proper divisors (36796704195).

47663615805 is a wasteful number, since it uses less digits than its factorization.

47663615805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46718.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 47663615805 in words is "forty-seven billion, six hundred sixty-three million, six hundred fifteen thousand, eight hundred five".