64798871800 has 192 divisors, whose sum is σ = 166208112000. Its totient is φ = 23344742400.

The previous prime is 64798871771. The next prime is 64798871821. The reversal of 64798871800 is 817889746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54867210 + ... + 54868390.

It is an arithmetic number, because the mean of its divisors is an integer number (865667250).

Almost surely, 2^64798871800 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 64798871800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83104056000).

64798871800 is an abundant number, since it is smaller than the sum of its proper divisors (101409240200).

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

64798871800 is a wasteful number, since it uses less digits than its factorization.

64798871800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 64798871800 in words is "sixty-four billion, seven hundred ninety-eight million, eight hundred seventy-one thousand, eight hundred".