65703880620 has 672 divisors, whose sum is σ = 257132359680. Its totient is φ = 13756055040.

The previous prime is 65703880579. The next prime is 65703880621. The reversal of 65703880620 is 2608830756.

65703880620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (65703880621) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 60112794 + ... + 60113886.

It is an arithmetic number, because the mean of its divisors is an integer number (382637440).

Almost surely, 2^65703880620 is an apocalyptic number.

65703880620 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 65703880620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128566179840).

65703880620 is an abundant number, since it is smaller than the sum of its proper divisors (191428479060).

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

65703880620 is a wasteful number, since it uses less digits than its factorization.

65703880620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 65703880620 in words is "sixty-five billion, seven hundred three million, eight hundred eighty thousand, six hundred twenty".