64857875846 has 4 divisors (see below), whose sum is σ = 97286813772. Its totient is φ = 32428937922.

The previous prime is 64857875837. The next prime is 64857875861.

64857875846 is nontrivially palindromic in base 10.

64857875846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16214468960 + ... + 16214468963.

It is an arithmetic number, because the mean of its divisors is an integer number (24321703443).

Almost surely, 2^64857875846 is an apocalyptic number.

64857875846 is a deficient number, since it is larger than the sum of its proper divisors (32428937926).

64857875846 is a wasteful number, since it uses less digits than its factorization.

64857875846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32428937925.

The product of its digits is 361267200, while the sum is 68.

The spelling of 64857875846 in words is "sixty-four billion, eight hundred fifty-seven million, eight hundred seventy-five thousand, eight hundred forty-six".