64857361084 has 6 divisors (see below), whose sum is σ = 113500381904. Its totient is φ = 32428680540.

The previous prime is 64857361007. The next prime is 64857361103. The reversal of 64857361084 is 48016375846.

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, 8107170132 + ... + 8107170139.

Almost surely, 2^64857361084 is an apocalyptic number.

It is an amenable number.

64857361084 is a deficient number, since it is larger than the sum of its proper divisors (48643020820).

64857361084 is a wasteful number, since it uses less digits than its factorization.

64857361084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16214340275 (or 16214340273 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 64857361084 in words is "sixty-four billion, eight hundred fifty-seven million, three hundred sixty-one thousand, eighty-four".