47813179 has 2 divisors, whose sum is σ = 47813180. Its totient is φ = 47813178.

The previous prime is 47813167. The next prime is 47813189. The reversal of 47813179 is 97131874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47813179 is a prime.

It is a super-2 number, since 2×47813179² = 4572200172172082, which contains 22 as substring.

It is equal to p_2877592 and since 47813179 and 2877592 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47813189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23906589 + 23906590.

It is an arithmetic number, because the mean of its divisors is an integer number (23906590).

Almost surely, 2^47813179 is an apocalyptic number.

47813179 is a deficient number, since it is larger than the sum of its proper divisors (1).

47813179 is an equidigital number, since it uses as much as digits as its factorization.

47813179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 47813179 is about 6914.7074413890. The cubic root of 47813179 is about 362.9520106959.

The spelling of 47813179 in words is "forty-seven million, eight hundred thirteen thousand, one hundred seventy-nine".