64858088311936 has 192 divisors, whose sum is σ = 142849422204840. Its totient is φ = 29209585582080.

The previous prime is 64858088311909. The next prime is 64858088311981. The reversal of 64858088311936 is 63911388085846.

It can be written as a sum of positive squares in 12 ways, for example, as 2882524840000 + 61975563471936 = 1697800^2 + 7872456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299476906 + ... + 299693398.

Almost surely, 2^{64858088311936} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64858088311936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71424711102420).

64858088311936 is an abundant number, since it is smaller than the sum of its proper divisors (77991333892904).

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

64858088311936 is a wasteful number, since it uses less digits than its factorization.

64858088311936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216683 (or 216610 counting only the distinct ones).

The product of its (nonzero) digits is 238878720, while the sum is 70.

The spelling of 64858088311936 in words is "sixty-four trillion, eight hundred fifty-eight billion, eighty-eight million, three hundred eleven thousand, nine hundred thirty-six".