47894954179 has 2 divisors, whose sum is σ = 47894954180. Its totient is φ = 47894954178.

The previous prime is 47894954161. The next prime is 47894954201. The reversal of 47894954179 is 97145949874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47894954179 - 2²¹ = 47892857027 is a prime.

It is a super-3 number, since 3×47894954179³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (47894954279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23947477089 + 23947477090.

It is an arithmetic number, because the mean of its divisors is an integer number (23947477090).

Almost surely, 2^47894954179 is an apocalyptic number.

47894954179 is a deficient number, since it is larger than the sum of its proper divisors (1).

47894954179 is an equidigital number, since it uses as much as digits as its factorization.

47894954179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91445760, while the sum is 67.

The spelling of 47894954179 in words is "forty-seven billion, eight hundred ninety-four million, nine hundred fifty-four thousand, one hundred seventy-nine".