47191113 has 16 divisors (see below), whose sum is σ = 70323840. Its totient is φ = 31275792.

The previous prime is 47191087. The next prime is 47191141. The reversal of 47191113 is 31119174.

It is not a de Polignac number, because 47191113 - 2⁶ = 47191049 is a prime.

It is a super-2 number, since 2×47191113² = 4454002292357538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (47191163) 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, 381 + ... + 9722.

It is an arithmetic number, because the mean of its divisors is an integer number (4395240).

Almost surely, 2^47191113 is an apocalyptic number.

It is an amenable number.

47191113 is a deficient number, since it is larger than the sum of its proper divisors (23132727).

47191113 is a wasteful number, since it uses less digits than its factorization.

47191113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10285 (or 10279 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 47191113 is about 6869.5788080493. The cubic root of 47191113 is about 361.3710908977.

It can be divided in two parts, 4719 and 1113, that added together give a cube (5832 = 18³).

The spelling of 47191113 in words is "forty-seven million, one hundred ninety-one thousand, one hundred thirteen".