47164878229 has 4 divisors (see below), whose sum is σ = 53902717984. Its totient is φ = 40427038476.

The previous prime is 47164878223. The next prime is 47164878253. The reversal of 47164878229 is 92287846174.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47164878229 - 2⁵ = 47164878197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47164878223) 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, 3368919867 + ... + 3368919880.

It is an arithmetic number, because the mean of its divisors is an integer number (13475679496).

Almost surely, 2^47164878229 is an apocalyptic number.

It is an amenable number.

47164878229 is a deficient number, since it is larger than the sum of its proper divisors (6737839755).

47164878229 is an equidigital number, since it uses as much as digits as its factorization.

47164878229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737839754.

The product of its digits is 10838016, while the sum is 58.

The spelling of 47164878229 in words is "forty-seven billion, one hundred sixty-four million, eight hundred seventy-eight thousand, two hundred twenty-nine".