65976847380 has 192 divisors, whose sum is σ = 209020492800. Its totient is φ = 17490121344.

The previous prime is 65976847373. The next prime is 65976847397. The reversal of 65976847380 is 8374867956.

65976847380 is a `hidden beast` number, since 6 + 597 + 6 + 8 + 4 + 7 + 38 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7562661 + ... + 7571379.

It is an arithmetic number, because the mean of its divisors is an integer number (1088648400).

Almost surely, 2^65976847380 is an apocalyptic number.

65976847380 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 65976847380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104510246400).

65976847380 is an abundant number, since it is smaller than the sum of its proper divisors (143043645420).

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

65976847380 is a wasteful number, since it uses less digits than its factorization.

65976847380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8922 (or 8902 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 65976847380 in words is "sixty-five billion, nine hundred seventy-six million, eight hundred forty-seven thousand, three hundred eighty".