65719108675872 has 72 divisors (see below), whose sum is σ = 188315346819600. Its totient is φ = 21739145351040.

The previous prime is 65719108675823. The next prime is 65719108675903. The reversal of 65719108675872 is 27857680191756.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 65719108675872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 870921622 + ... + 870997077.

It is an arithmetic number, because the mean of its divisors is an integer number (2615490928050).

Almost surely, 2^{65719108675872} is an apocalyptic number.

It is an amenable number.

65719108675872 is an abundant number, since it is smaller than the sum of its proper divisors (122596238143728).

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

65719108675872 is a wasteful number, since it uses less digits than its factorization.

65719108675872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741918846 (or 1741918835 counting only the distinct ones).

The product of its (nonzero) digits is 355622400, while the sum is 72.

The spelling of 65719108675872 in words is "sixty-five trillion, seven hundred nineteen billion, one hundred eight million, six hundred seventy-five thousand, eight hundred seventy-two".