6171020787 has 16 divisors (see below), whose sum is σ = 8372712320. Its totient is φ = 4042282752.

The previous prime is 6171020767. The next prime is 6171020789. The reversal of 6171020787 is 7870201716.

It is not a de Polignac number, because 6171020787 - 2¹⁰ = 6171019763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6171020789) 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, 35833 + ... + 116730.

It is an arithmetic number, because the mean of its divisors is an integer number (523294520).

Almost surely, 2^6171020787 is an apocalyptic number.

6171020787 is a deficient number, since it is larger than the sum of its proper divisors (2201691533).

6171020787 is a wasteful number, since it uses less digits than its factorization.

6171020787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152802.

The product of its (nonzero) digits is 32928, while the sum is 39.

The square root of 6171020787 is about 78555.8450212331. The cubic root of 6171020787 is about 1834.2238511154.

The spelling of 6171020787 in words is "six billion, one hundred seventy-one million, twenty thousand, seven hundred eighty-seven".