6487777846 has 16 divisors (see below), whose sum is σ = 10660792320. Its totient is φ = 2936648680.

The previous prime is 6487777843. The next prime is 6487777853.

6487777846 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6487777846² = 84182522758096799432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6487777843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611686 + ... + 622201.

It is an arithmetic number, because the mean of its divisors is an integer number (666299520).

Almost surely, 2^6487777846 is an apocalyptic number.

6487777846 is a deficient number, since it is larger than the sum of its proper divisors (4173014474).

6487777846 is a wasteful number, since it uses less digits than its factorization.

6487777846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234139.

The product of its digits is 88510464, while the sum is 64.

The square root of 6487777846 is about 80546.7432364587. The cubic root of 6487777846 is about 1865.0851181722.

The spelling of 6487777846 in words is "six billion, four hundred eighty-seven million, seven hundred seventy-seven thousand, eight hundred forty-six".