64462868868 has 24 divisors (see below), whose sum is σ = 158329853920. Its totient is φ = 20356695360.

The previous prime is 64462868831. The next prime is 64462868917. The reversal of 64462868868 is 86886826446.

It is a super-2 number, since 2×64462868868² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64462868799 and 64462868808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141365713 + ... + 141366168.

Almost surely, 2^64462868868 is an apocalyptic number.

It is an amenable number.

64462868868 is an abundant number, since it is smaller than the sum of its proper divisors (93866985052).

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

64462868868 is a wasteful number, since it uses less digits than its factorization.

64462868868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282731907 (or 282731905 counting only the distinct ones).

The product of its digits is 169869312, while the sum is 66.

The spelling of 64462868868 in words is "sixty-four billion, four hundred sixty-two million, eight hundred sixty-eight thousand, eight hundred sixty-eight".