6428587205 has 16 divisors (see below), whose sum is σ = 8165707200. Its totient is φ = 4844960640.

The previous prime is 6428587181. The next prime is 6428587229. The reversal of 6428587205 is 5027858246.

It is an interprime number because it is at equal distance from previous prime (6428587181) and next prime (6428587229).

It is not a de Polignac number, because 6428587205 - 2²² = 6424392901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6428587205.

It is a congruent number.

It is an unprimeable number.

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, 172016 + ... + 206025.

It is an arithmetic number, because the mean of its divisors is an integer number (510356700).

Almost surely, 2^6428587205 is an apocalyptic number.

It is an amenable number.

6428587205 is a deficient number, since it is larger than the sum of its proper divisors (1737119995).

6428587205 is a wasteful number, since it uses less digits than its factorization.

6428587205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378244.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The square root of 6428587205 is about 80178.4709569845. The cubic root of 6428587205 is about 1859.3958037754.

The spelling of 6428587205 in words is "six billion, four hundred twenty-eight million, five hundred eighty-seven thousand, two hundred five".