64829783760 has 160 divisors (see below), whose sum is σ = 230772467712. Its totient is φ = 14747927040.

The previous prime is 64829783723. The next prime is 64829783827. The reversal of 64829783760 is 6738792846.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 64829783694 and 64829783703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263037 + ... + 445923.

Almost surely, 2^64829783760 is an apocalyptic number.

64829783760 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 64829783760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115386233856).

64829783760 is an abundant number, since it is smaller than the sum of its proper divisors (165942683952).

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

64829783760 is a wasteful number, since it uses less digits than its factorization.

64829783760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183121 (or 183115 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 64829783760 in words is "sixty-four billion, eight hundred twenty-nine million, seven hundred eighty-three thousand, seven hundred sixty".