64868886846 has 48 divisors (see below), whose sum is σ = 145096087344. Its totient is φ = 20929508352.

The previous prime is 64868886749. The next prime is 64868886851.

It is a happy number.

64868886846 is a `hidden beast` number, since 6 + 486 + 8 + 88 + 68 + 4 + 6 = 666.

64868886846 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123796 + ... + 380871.

It is an arithmetic number, because the mean of its divisors is an integer number (3022835153).

Almost surely, 2^64868886846 is an apocalyptic number.

64868886846 is an abundant number, since it is smaller than the sum of its proper divisors (80227200498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64868886846 is a wasteful number, since it uses less digits than its factorization.

64868886846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504905 (or 504902 counting only the distinct ones).

The product of its digits is 679477248, while the sum is 72.

The spelling of 64868886846 in words is "sixty-four billion, eight hundred sixty-eight million, eight hundred eighty-six thousand, eight hundred forty-six".