47947699 has 4 divisors (see below), whose sum is σ = 48016800. Its totient is φ = 47878600.

The previous prime is 47947693. The next prime is 47947717. The reversal of 47947699 is 99674974.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47947699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47947693) 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, 33499 + ... + 34900.

It is an arithmetic number, because the mean of its divisors is an integer number (12004200).

Almost surely, 2^47947699 is an apocalyptic number.

47947699 is a deficient number, since it is larger than the sum of its proper divisors (69101).

47947699 is an equidigital number, since it uses as much as digits as its factorization.

47947699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69100.

The product of its digits is 3429216, while the sum is 55.

The square root of 47947699 is about 6924.4277019838. The cubic root of 47947699 is about 363.2920744516.

The spelling of 47947699 in words is "forty-seven million, nine hundred forty-seven thousand, six hundred ninety-nine".