64864846846 has 8 divisors (see below), whose sum is σ = 97321019400. Its totient is φ = 32424507048.

The previous prime is 64864846843. The next prime is 64864846861.

64864846846 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64864846846² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64864846843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3947941 + ... + 3964336.

It is an arithmetic number, because the mean of its divisors is an integer number (12165127425).

Almost surely, 2^64864846846 is an apocalyptic number.

64864846846 is a deficient number, since it is larger than the sum of its proper divisors (32456172554).

64864846846 is a wasteful number, since it uses less digits than its factorization.

64864846846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916378.

The product of its digits is 169869312, while the sum is 64.

The spelling of 64864846846 in words is "sixty-four billion, eight hundred sixty-four million, eight hundred forty-six thousand, eight hundred forty-six".