64785492360 has 256 divisors, whose sum is σ = 222568819200. Its totient is φ = 16751923200.

The previous prime is 64785492347. The next prime is 64785492391. The reversal of 64785492360 is 6329458746.

64785492360 is a `hidden beast` number, since 6 + 4 + 78 + 549 + 23 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 64785492297 and 64785492306.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7390380 + ... + 7399140.

It is an arithmetic number, because the mean of its divisors is an integer number (869409450).

Almost surely, 2^64785492360 is an apocalyptic number.

64785492360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64785492360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111284409600).

64785492360 is an abundant number, since it is smaller than the sum of its proper divisors (157783326840).

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

64785492360 is a wasteful number, since it uses less digits than its factorization.

64785492360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8989 (or 8979 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 64785492360 in words is "sixty-four billion, seven hundred eighty-five million, four hundred ninety-two thousand, three hundred sixty".