47097799 has 4 divisors (see below), whose sum is σ = 53826064. Its totient is φ = 40369536.

The previous prime is 47097797. The next prime is 47097811. The reversal of 47097799 is 99779074.

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

It is a cyclic number.

It is not a de Polignac number, because 47097799 - 2¹ = 47097797 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 (47097797) 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, 3364122 + ... + 3364135.

It is an arithmetic number, because the mean of its divisors is an integer number (13456516).

Almost surely, 2^47097799 is an apocalyptic number.

47097799 is a deficient number, since it is larger than the sum of its proper divisors (6728265).

47097799 is an equidigital number, since it uses as much as digits as its factorization.

47097799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728264.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The square root of 47097799 is about 6862.7836189115. The cubic root of 47097799 is about 361.1327463557.

The spelling of 47097799 in words is "forty-seven million, ninety-seven thousand, seven hundred ninety-nine".