47899851 has 16 divisors (see below), whose sum is σ = 66281760. Its totient is φ = 30732800.

The previous prime is 47899847. The next prime is 47899853. The reversal of 47899851 is 15899874.

It is a cyclic number.

It is not a de Polignac number, because 47899851 - 2² = 47899847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47899794 and 47899803.

It is not an unprimeable number, because it can be changed into a prime (47899853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34201 + ... + 35573.

It is an arithmetic number, because the mean of its divisors is an integer number (4142610).

Almost surely, 2^47899851 is an apocalyptic number.

47899851 is a deficient number, since it is larger than the sum of its proper divisors (18381909).

47899851 is a wasteful number, since it uses less digits than its factorization.

47899851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806.

The product of its digits is 725760, while the sum is 51.

The square root of 47899851 is about 6920.9718248234. The cubic root of 47899851 is about 363.1711886742.

The spelling of 47899851 in words is "forty-seven million, eight hundred ninety-nine thousand, eight hundred fifty-one".