6398111487 has 16 divisors (see below), whose sum is σ = 8658890240. Its totient is φ = 4201621632.

The previous prime is 6398111443. The next prime is 6398111491. The reversal of 6398111487 is 7841118936.

It is not a de Polignac number, because 6398111487 - 2⁸ = 6398111231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398110487) 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, 71448 + ... + 133794.

It is an arithmetic number, because the mean of its divisors is an integer number (541180640).

Almost surely, 2^6398111487 is an apocalyptic number.

6398111487 is a deficient number, since it is larger than the sum of its proper divisors (2260778753).

6398111487 is a wasteful number, since it uses less digits than its factorization.

6398111487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62862.

The product of its digits is 290304, while the sum is 48.

The square root of 6398111487 is about 79988.1959228985. The cubic root of 6398111487 is about 1856.4528967120.

The spelling of 6398111487 in words is "six billion, three hundred ninety-eight million, one hundred eleven thousand, four hundred eighty-seven".