64604766284 has 12 divisors (see below), whose sum is σ = 113064382200. Its totient is φ = 32300657088.

The previous prime is 64604766221. The next prime is 64604766293. The reversal of 64604766284 is 48266740646.

It is a super-2 number, since 2×64604766284² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345389 + ... + 498500.

It is an arithmetic number, because the mean of its divisors is an integer number (9422031850).

Almost surely, 2^64604766284 is an apocalyptic number.

It is an amenable number.

64604766284 is a deficient number, since it is larger than the sum of its proper divisors (48459615916).

64604766284 is a wasteful number, since it uses less digits than its factorization.

64604766284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863032 (or 863030 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 53.

The spelling of 64604766284 in words is "sixty-four billion, six hundred four million, seven hundred sixty-six thousand, two hundred eighty-four".