47797613 has 4 divisors (see below), whose sum is σ = 47812128. Its totient is φ = 47783100.

The previous prime is 47797601. The next prime is 47797621. The reversal of 47797613 is 31679774.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47797613 - 2²⁰ = 46749037 is a prime.

It is a super-2 number, since 2×47797613² = 4569223616995538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47797643) 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, 320 + ... + 9782.

It is an arithmetic number, because the mean of its divisors is an integer number (11953032).

Almost surely, 2^47797613 is an apocalyptic number.

It is an amenable number.

47797613 is a deficient number, since it is larger than the sum of its proper divisors (14515).

47797613 is an equidigital number, since it uses as much as digits as its factorization.

47797613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14514.

The product of its digits is 222264, while the sum is 44.

The square root of 47797613 is about 6913.5817779209. The cubic root of 47797613 is about 362.9126190168.

The spelling of 47797613 in words is "forty-seven million, seven hundred ninety-seven thousand, six hundred thirteen".