47790111 has 32 divisors (see below), whose sum is σ = 71712000. Its totient is φ = 28131840.

The previous prime is 47790109. The next prime is 47790139. The reversal of 47790111 is 11109774.

It is not a de Polignac number, because 47790111 - 2¹ = 47790109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47790101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144216 + ... + 144546.

It is an arithmetic number, because the mean of its divisors is an integer number (2241000).

Almost surely, 2^47790111 is an apocalyptic number.

47790111 is a deficient number, since it is larger than the sum of its proper divisors (23921889).

47790111 is a wasteful number, since it uses less digits than its factorization.

47790111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 47790111 is about 6913.0392013933. The cubic root of 47790111 is about 362.8936312282.

Adding to 47790111 its reverse (11109774), we get a palindrome (58899885).

The spelling of 47790111 in words is "forty-seven million, seven hundred ninety thousand, one hundred eleven".