47997107 has 4 divisors (see below), whose sum is σ = 48208776. Its totient is φ = 47785440.

The previous prime is 47997049. The next prime is 47997109. The reversal of 47997107 is 70179974.

It is a happy number.

47997107 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 an emirpimes, since its reverse is a distinct semiprime: 70179974 = 2 ⋅35089987.

It is a cyclic number.

It is not a de Polignac number, because 47997107 - 2⁶ = 47997043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47997109) 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, 105494 + ... + 105947.

It is an arithmetic number, because the mean of its divisors is an integer number (12052194).

Almost surely, 2^47997107 is an apocalyptic number.

47997107 is a deficient number, since it is larger than the sum of its proper divisors (211669).

47997107 is a wasteful number, since it uses less digits than its factorization.

47997107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211668.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 47997107 is about 6927.9944428384. The cubic root of 47997107 is about 363.4168171282.

The spelling of 47997107 in words is "forty-seven million, nine hundred ninety-seven thousand, one hundred seven".