65427886080 has 312 divisors, whose sum is σ = 235206465312. Its totient is φ = 17446109184.

The previous prime is 65427886057. The next prime is 65427886081. The reversal of 65427886080 is 8068872456.

65427886080 is a `hidden beast` number, since 6 + 5 + 4 + 27 + 8 + 8 + 608 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65427886081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4970067 + ... + 4983213.

It is an arithmetic number, because the mean of its divisors is an integer number (753866876).

Almost surely, 2^65427886080 is an apocalyptic number.

65427886080 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 65427886080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117603232656).

65427886080 is an abundant number, since it is smaller than the sum of its proper divisors (169778579232).

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

65427886080 is an equidigital number, since it uses as much as digits as its factorization.

65427886080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13191 (or 13157 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 65427886080 in words is "sixty-five billion, four hundred twenty-seven million, eight hundred eighty-six thousand, eighty".