47297977 has 8 divisors (see below), whose sum is σ = 47779200. Its totient is φ = 46819344.

The previous prime is 47297963. The next prime is 47297981. The reversal of 47297977 is 77979274.

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

It is a cyclic number.

It is not a de Polignac number, because 47297977 - 2⁷ = 47297849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47297917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65424 + ... + 66142.

It is an arithmetic number, because the mean of its divisors is an integer number (5972400).

Almost surely, 2^47297977 is an apocalyptic number.

It is an amenable number.

47297977 is a deficient number, since it is larger than the sum of its proper divisors (481223).

47297977 is a wasteful number, since it uses less digits than its factorization.

47297977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295.

The product of its digits is 1555848, while the sum is 52.

The square root of 47297977 is about 6877.3524702461. The cubic root of 47297977 is about 361.6436595000.

The spelling of 47297977 in words is "forty-seven million, two hundred ninety-seven thousand, nine hundred seventy-seven".