64888750080 has 1200 divisors, whose sum is σ = 292317290496. Its totient is φ = 13377208320.

The previous prime is 64888750039. The next prime is 64888750093. The reversal of 64888750080 is 8005788846.

64888750080 is a `hidden beast` number, since 6 + 488 + 87 + 5 + 0 + 0 + 80 = 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 = 64888749999 and 64888750026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 510934977 + ... + 510935103.

Almost surely, 2^64888750080 is an apocalyptic number.

64888750080 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 64888750080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146158645248).

64888750080 is an abundant number, since it is smaller than the sum of its proper divisors (227428540416).

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

64888750080 is a wasteful number, since it uses less digits than its factorization.

64888750080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 64888750080 in words is "sixty-four billion, eight hundred eighty-eight million, seven hundred fifty thousand, eighty".