47796397 has 4 divisors (see below), whose sum is σ = 52141536. Its totient is φ = 43451260.

The previous prime is 47796383. The next prime is 47796403. The reversal of 47796397 is 79369774.

47796397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47796397 - 2⁷ = 47796269 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 (47796317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2172553 + ... + 2172574.

It is an arithmetic number, because the mean of its divisors is an integer number (13035384).

Almost surely, 2^47796397 is an apocalyptic number.

It is an amenable number.

47796397 is a deficient number, since it is larger than the sum of its proper divisors (4345139).

47796397 is a wasteful number, since it uses less digits than its factorization.

47796397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345138.

The product of its digits is 2000376, while the sum is 52.

The square root of 47796397 is about 6913.4938345239. The cubic root of 47796397 is about 362.9095414190.

The spelling of 47796397 in words is "forty-seven million, seven hundred ninety-six thousand, three hundred ninety-seven".