64012776000 has 112 divisors (see below), whose sum is σ = 211370265600. Its totient is φ = 17070067200.

The previous prime is 64012775963. The next prime is 64012776007. The reversal of 64012776000 is 67721046.

It is not an unprimeable number, because it can be changed into a prime (64012776007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309600 + ... + 1357599.

Almost surely, 2^64012776000 is an apocalyptic number.

64012776000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64012776000 is an abundant number, since it is smaller than the sum of its proper divisors (147357489600).

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

64012776000 is a wasteful number, since it uses less digits than its factorization.

64012776000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667229 (or 2667209 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 64012776000 in words is "sixty-four billion, twelve million, seven hundred seventy-six thousand".