65374847880 has 128 divisors (see below), whose sum is σ = 199387353600. Its totient is φ = 17145004032.

The previous prime is 65374847861. The next prime is 65374847887. The reversal of 65374847880 is 8874847356.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (65374847887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2422944 + ... + 2449776.

It is an arithmetic number, because the mean of its divisors is an integer number (1557713700).

Almost surely, 2^65374847880 is an apocalyptic number.

65374847880 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 65374847880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99693676800).

65374847880 is an abundant number, since it is smaller than the sum of its proper divisors (134012505720).

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

65374847880 is a wasteful number, since it uses less digits than its factorization.

65374847880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27183 (or 27179 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 65374847880 in words is "sixty-five billion, three hundred seventy-four million, eight hundred forty-seven thousand, eight hundred eighty".