65342827872 has 96 divisors (see below), whose sum is σ = 217809446400. Its totient is φ = 18669377664.

The previous prime is 65342827843. The next prime is 65342827873. The reversal of 65342827872 is 27872824356.

65342827872 is a `hidden beast` number, since 6 + 534 + 2 + 8 + 27 + 87 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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 (65342827873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5395972 + ... + 5408067.

It is an arithmetic number, because the mean of its divisors is an integer number (2268848400).

Almost surely, 2^65342827872 is an apocalyptic number.

It is an amenable number.

65342827872 is an abundant number, since it is smaller than the sum of its proper divisors (152466618528).

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

65342827872 is a wasteful number, since it uses less digits than its factorization.

65342827872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10804065 (or 10804051 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The spelling of 65342827872 in words is "sixty-five billion, three hundred forty-two million, eight hundred twenty-seven thousand, eight hundred seventy-two".