47166867883691 has 4 divisors (see below), whose sum is σ = 47166883476192. Its totient is φ = 47166852291192.

The previous prime is 47166867883651. The next prime is 47166867883771. The reversal of 47166867883691 is 19638876866174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47166867883691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47166867883651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636580 + ... + 9849473.

It is an arithmetic number, because the mean of its divisors is an integer number (11791720869048).

Almost surely, 2^{47166867883691} is an apocalyptic number.

47166867883691 is a deficient number, since it is larger than the sum of its proper divisors (15592501).

47166867883691 is a wasteful number, since it uses less digits than its factorization.

47166867883691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15592500.

The product of its digits is 3511517184, while the sum is 80.

The spelling of 47166867883691 in words is "forty-seven trillion, one hundred sixty-six billion, eight hundred sixty-seven million, eight hundred eighty-three thousand, six hundred ninety-one".