47797966 has 8 divisors (see below), whose sum is σ = 73222560. Its totient is φ = 23390448.

The previous prime is 47797963. The next prime is 47797987. The reversal of 47797966 is 66979774.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47797961) 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, 254151 + ... + 254338.

It is an arithmetic number, because the mean of its divisors is an integer number (9152820).

Almost surely, 2^47797966 is an apocalyptic number.

47797966 is a deficient number, since it is larger than the sum of its proper divisors (25424594).

47797966 is a wasteful number, since it uses less digits than its factorization.

47797966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508538.

The product of its digits is 4000752, while the sum is 55.

The square root of 47797966 is about 6913.6073073324. The cubic root of 47797966 is about 362.9135124215.

The spelling of 47797966 in words is "forty-seven million, seven hundred ninety-seven thousand, nine hundred sixty-six".