64876867846 has 32 divisors (see below), whose sum is σ = 115930932480. Its totient is φ = 26640650400.

The previous prime is 64876867807. The next prime is 64876867849.

64876867846 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64876867849) 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, 556720 + ... + 663091.

It is an arithmetic number, because the mean of its divisors is an integer number (3622841640).

Almost surely, 2^64876867846 is an apocalyptic number.

64876867846 is a deficient number, since it is larger than the sum of its proper divisors (51054064634).

64876867846 is a wasteful number, since it uses less digits than its factorization.

64876867846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219980.

The product of its digits is 520224768, while the sum is 70.

The spelling of 64876867846 in words is "sixty-four billion, eight hundred seventy-six million, eight hundred sixty-seven thousand, eight hundred forty-six".