47800911 has 16 divisors (see below), whose sum is σ = 65044224. Its totient is φ = 31218624.

The previous prime is 47800901. The next prime is 47800913. The reversal of 47800911 is 11900874.

It is not a de Polignac number, because 47800911 - 2⁷ = 47800783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47800913) 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, 35920 + ... + 37226.

It is an arithmetic number, because the mean of its divisors is an integer number (4065264).

Almost surely, 2^47800911 is an apocalyptic number.

47800911 is a deficient number, since it is larger than the sum of its proper divisors (17243313).

47800911 is a wasteful number, since it uses less digits than its factorization.

47800911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 47800911 is about 6913.8202898253. The cubic root of 47800911 is about 362.9209657257.

The spelling of 47800911 in words is "forty-seven million, eight hundred thousand, nine hundred eleven".