2047078191 has 16 divisors (see below), whose sum is σ = 2769451776. Its totient is φ = 1344747456.

The previous prime is 2047078157. The next prime is 2047078207. The reversal of 2047078191 is 1918707402.

It is not a de Polignac number, because 2047078191 - 2⁶ = 2047078127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047078291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264016 + ... + 271658.

It is an arithmetic number, because the mean of its divisors is an integer number (173090736).

Almost surely, 2^2047078191 is an apocalyptic number.

2047078191 is a deficient number, since it is larger than the sum of its proper divisors (722373585).

2047078191 is a wasteful number, since it uses less digits than its factorization.

2047078191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 2047078191 is about 45244.6482028538. The cubic root of 2047078191 is about 1269.7302816562.

The spelling of 2047078191 in words is "two billion, forty-seven million, seventy-eight thousand, one hundred ninety-one".