47899197 has 6 divisors (see below), whose sum is σ = 69187742. Its totient is φ = 31932792.

The previous prime is 47899141. The next prime is 47899211. The reversal of 47899197 is 79199874.

It can be written as a sum of positive squares in only one way, i.e., 44235801 + 3663396 = 6651^2 + 1914^2 .

It is not a de Polignac number, because 47899197 - 2¹¹ = 47897149 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 (47892197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2661058 + ... + 2661075.

Almost surely, 2^47899197 is an apocalyptic number.

It is an amenable number.

47899197 is a deficient number, since it is larger than the sum of its proper divisors (21288545).

47899197 is a wasteful number, since it uses less digits than its factorization.

47899197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322139 (or 5322136 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 54.

The square root of 47899197 is about 6920.9245769622. The cubic root of 47899197 is about 363.1695358156.

The spelling of 47899197 in words is "forty-seven million, eight hundred ninety-nine thousand, one hundred ninety-seven".